You could get any random electronic diamond tester, but if you’re looking for expert advice on choosing the best one for your needs then you’ve arrived at the right place.
It doesn’t matter what your electronic diamond tester needs are or what your budget is, because I’ve done an in-depth analysis to include the best-rated options suitable for diversified usage needs and different budget ranges.
To make this list, I’ve spent 94 hours researching electronic diamond tester from the best brands such as: Presidium, GTE, Presidium.
Note: Make sure that option you’re choosing has all the features you need. Afterall, is there any point in purchasing something that’s not usable?
47 Best electronic diamond tester in 2023: After 94 Hours of Research
To make this list an unbiased resource for choosing the best electronic diamond tester, I contacted 16 experts and discussed various aspects to consider. After a huge discussion, I went across customer reviews, researched the reputed brands, and a lot of other things. Because my aim is to recommend products that are highly value for your money.
1. PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER -Diamond Testers
By Presidium
- No wait time between test
- Retractable thermoelectric probe tip for enhanced accuracy that ensures constant pressure between probe and gemstone
- Metal alert buzzer
- Thin probe tip (.6mm) for testing diamonds as small as .02ct
- Verifies authenticity of diamonds instantly
2. Gold Silver Platinum Diamond Jewelry Tester Appraisal Kit 10K 14K 18K 22K 24K Electronic Scale Test 30X Eye Loupe Magnifier Precious Metals 999 925 Scrap -Arts, Crafts & Sewing
By GTE
- DIGITAL SCALE-DIAMOND TESTER-TRIPLET MAGNIFIER-NEEDLE FILES-GOLD/SILVER TEST BARS
- A MUST-HAVE FOR ANYONE WHO WANTS TO INVEST IN GOLD, SILVER, PLATINUM, OR DIAMONDS!
- AUTHENTIC GTE 2”x 2” JEWELRY TOUCHSTONE FOR SAFE TESTING THAT WON’T DAMAGE YOUR JEWELRY
- ALL-IN-ONE GOLD, SILVER, PLATINUM, & DIAMOND JEWELRY TESTING & APPRAISAL KIT
- FUN, FAST, AND ACCURATE! DETERMINES THE KARAT OF GOLD, SILVER, AND PLATINUM JEWELRY IN SECONDS!
3. PDMT-A Diamond Mate Electronic Tester A -Diamond Testers
By Presidium
- Metal detector alerts users if contact is accidentally made with gem mounting
- Instant recovery time in between tests
- Low power usage and low battery indicator make sure you always have power when you need it
- 1 Year Factory Warranty
- Uses thermal conductivity tests to detect diamond and simulants
4. High Accuracy Diamond Tester Professional Diamond Tester Pen Jeweler Tool for Novice and Expert – Diamond Selector II 9V Battery Included(Black Diamond Testers) -Arts, Crafts & Sewing
By Hqdz
- [Simple to Use]:Hqdz Diamond Tester Pen is simple to operate to get results, professional(s) are not required
- [Intuitive Design]:LCD display & LED indicator.Uses large / small switches for testing diamonds,Emits audible sounds to easily differentiate the readings.
- Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep.
- [Fast and safe ]:Professional Diamond Selector II will indicate genuine diamond or fake.It is designed for quick, precise, and safe diamond testing.
- [Package include]:Diamond tester is battery powered for convenience.Requires 1 standard 9v battery, which is included.Package include:1 x Diamond Tester,1 x Leather Pouch Case,1 x Testing Platform,1 x User Manual,1 x DC 9V battery.
5. Dupeakya Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone -Arts, Crafts & Sewing
By Dupeakya
- * When testing diamond, your right index finger must keep touching the metal panel on the back of the tester, while you do not touch the panel if you test other gemstones
- LCD displays & LED indicators
- NOTICE: * When testing, the probe needle and the tested object must be at a 90° angle
- It is designed for quick, precise, and safe diamond testing.
- Fast And Precise: This gemstone tester pen is designed to detect if a diamond or gemstone is real or fake, Diamond Selector II will indicate genuine diamond or fake in seconds.
- Package contains: 1 x diamond tester, 1 x 60X Mini LED Magnifying,1 x user manual
- * Don’t wear gloves.
- Portable: Portable electronic device for distinguishing real diamonds from other simulated stones
- This product uses dc9v battery (not including battery)
- * Do Not test any metal
- Simple to Use: Diamond Tester Pen is simple to operate to get results
- Real Diamond will emit sounds and lights >=9
- Service: If you have any questions about use, please feel free to contact us
- Uses switches for testing diamonds, Emits audible sounds to easily differentiate the readings.
6. Diamond Tester Professional, High Accuracy Jewelry Diamond Tester Pen, Electronic Diamond Gem Tester and Tester Pen 60X Magnifying Glasses Tool Kit for Novice Expert -Arts, Crafts & Sewing
By Broadsheet
- Easy to use Place the tip of the diamond tester gently on the gemstone
- Diamond test pen can be used for gems, coins, antiques, stamps, reading, inspection, etc
- Professional Service If you have any questions about our diamond tester pen, please contact us
- In providing fast and accurate results
- Accessory tools Magnifying glass (small microscope) equipped with 60X LED illumination
- If the diamond is fake, crystalline or cubic zirconia, the tester will not beep
- We have a professional dedicated to assisting you and help you answer any questions you may have.
- An excellent diamond tester tool kit, suitable for handling any exposed or mounted diamonds and gems.
- Diamond tester pen is designed for fast, precise and safe diamond testing.
- Quick IdentificationYou just turn on our diamond test pen detector; place the tip of the diamond tester on the gemstone, and a single tap is enough
- Intuitive design Our gemstone tester has an intuitive design, light and portable, and the jewelry diamond tester is equipped with LED lights and audio instructions
- As long as the tip is perpendicular to the test masonry and the switch is pressed, the result can be obtained.
- You will be able to know in a few seconds whether an item is fake or not.
7. DIAMOND TESTER- ELECTRONIC GEMSTONE -Diamond Testers
By Presidium
- Zero reset button
- Auto-shutoff when placed in case
- Slipper measuring platform
- Wedge-shaped points, fixed rod
- Range 0 to 25 mm
8. [Upgraded] Diamond Tester Pen, High Accuracy Jewelry Diamond Teste Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone（with Battery） -Arts, Crafts & Sewing
By Szxhf
![[Upgraded] Diamond Tester Pen, High Accuracy Jewelry Diamond Teste Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone（with Battery）](https://m.media-amazon.com/images/I/51e0nqtRMRS._SL500_.jpg)
- Professional Diamond Selector II will indicate genuine diamond or fake.
- It is designed for quick, precise, and safe diamond testing.
- If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction
- Emits audible sounds to easily differentiate the readings
- Portable electronic device for distinguishing real diamonds from other simulated stones.
9. Culti Jeweler’s Diamond Testing Pieces-Professional Loupe and Electronic Diamond Tester Machine -Diamond Testers
By Culti
- Excellent kit for anyone who handles loose or set diamonds & gemstones and other jewelry and precious metals items
- Authentic PuriTEST gold-colored 30x magnifying loupe, sealed in box
- Digital diamond tester includes leather case
- Includes genuine Culti Diamond Selector II with 60-day money back guarantee
- All materials brand new and ready to ship
10. Gold Silver & Diamond Tester Gemstone Testing KIT Electronic Test 6 Solutions -Arts, Crafts & Sewing
By JSP
- Diamond Tester
- JSP Gold Testing Acids for 10k, 14k, 18k, 22k, Silver, & Platinum
- 6 pc Metal file set
- Small Testing Stone, Rare Earth Magnet, & Diamond Estimator Gauge
- Counterfeit Money Detector Pen
11. Diamond Tester＋60X LED Magnifying Glasses Jeweler Tool Kit Combo，for Novice and Expert – Diamond Selector II 9V Battery Included(Diamond Tester+) -Industrial & Scientific
By Molo
- PortableMolo Diamond Tester Pen and 60X LED Lighted Loupe each comes with its own convenient carrying cases
- During a test, if the stone tested is a diamond, the LED lights will light up as the stone passes each test conducted by the Diamond detector
- You will be able to know if something is fake in a matter of seconds.
- Both items are small and can fit into any purse or backpack
- Application RangeIndustrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office.
- Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep
- To determine the clarity of a diamond use 60X LED lighted Loupe, magnifying glasses.
- Molo’s Diamond Tester Pen and 60X LED Lighted Loupe combo is a must have tool kit when you are going to a garage sale, flea market, swap meet, etc
- Alternatively, its also a great tool to have when testing your own jewelry.
- Simple to UseMolo Diamond Tester Pen is simple to operate to get results, professional(s) are not required
- Fast ResultsMolo’s Diamond Tester Pen is design to deliver fast, accurate results
- Once our Diamond Tester Pen has completed all of its tests, the pen will make a beep sound as well as show a row of fully lite LED lights.
- Intuitive DesignMolo Diamond Tester Pen comes with LED lights and audio indication
12. High Accuracy Diamond Tester Jewelry Diamond Detector Gem Diamond Tester Pen 30X 60X Illuminated Jewelry Eye Loupe Mini Led Foldable Magnifying Jewelry Distinguish Tool (Black Tester, Black Loupe) -Industrial & Scientific
By Hqdz
- We will explain in detail.
- [Easy to Use,Intuitive Design]: Real Diamond will Emits sounds and lights >=9.Fake crystal, such as cubic zirconia ( CZ ), crystal, glass will be no sounds and lights <9.
- [Practical Jewelry loupe]:the mini LED foldable magnifying is equipped with 30X 60X lens, portable and reliable for you to see the item you want to know, no worry about missing the details of gems; And you can also share them with your family members or good friends to enjoy much fun.
- Good for Gems, Jewelry, Rocks, Stamps, Coins, Watches, Hobbies, Antiques, Models, Photos Industry.
- You Can Choose Different Lens Freely
- [Multiple uses]: the gold testing kit is suitable for testing various items, such as diamonds, jades, emeralds, crystals, agates, gems and so on, making it possible for you to distinguish and observe them clearly and easily.
- [FOLDABLE GLASS MAGNIFIER]:Primary Lens: 30x22mm, Supplementary Lens: 60x12mm
- [Complete tool for diamonds]: the package comes with 1 piece of Jewelry tester and 1 piece of Jewelry loupe, 2 pieces in total, which are complete and practical for you to test or observe diamonds, bringing you a good using experience.If you have any questions about use, please contact us
13. TANJIN [Upgraded] Diamond Tester Pen, High Accuracy Jewelry Diamond Teste Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone -Arts, Crafts & Sewing
By TANJIN
![TANJIN [Upgraded] Diamond Tester Pen, High Accuracy Jewelry Diamond Teste Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone](https://m.media-amazon.com/images/I/41oygMsj9lL._SL500_.jpg)
- Emits audible sounds to easily differentiate the readings,Not included the battery
- Portable electronic device for distinguishing real diamonds from other simulated stones.
- It is designed for quick, precise, and safe diamond testing.
- Professional Diamond Selector II will indicate genuine diamond or fake
- If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction
14. Diamond Checker Tool Electronic Kit – Gem Tester Electronic Pole Identifier Gemstone Jewelry Led Pen Tester with Case – Diamond Tester Professional Precious Metal Verifier Detector Diamond -Arts, Crafts & Sewing
By KETAR
- Result Indicator of Diamond Reader: With diamond gem tester you will be able to know in a few seconds whether an item is fake or not, there are the LED indicator and the audible signal a red light will be displayed and an audible indicator will sound if the stone is a real diamond.
- Wide Uses of Electronic Diamond Tester: The diamond tester professional tester is mainly used for industrial purposes, circuit boards, and printing, industry, gardening, coin, diamond, stamp, jewelry, appraisal, education, geography, home, and office.
- Easy to Operate Jade Jewelry Tester: Simple calibration for stones of various sizes the jewelry tester silver and diamond tester are easy to use even for a new beginner, tester electronic pen is also a great tool to have when testing your own jewelry.
- Size of Diamond Tester Pen: The gemstone tester pen dimensions are 6.6 Inches long, 1.6 Inches wide, and 0.8 Inches thick
- The portable diamond tester gadget is lightweight, matched with a practical carrying case.
- Detection Way: The tester indicates genuine diamond or fake, the jewelry tester meter is designed and manufactured according to the thermal conductivity of diamond, the fake crystal, a simulant such as cubic zirconia does not have any reaction.
15. PuriTest Purity Pack for Testing Diamonds Gold Silver Platinum. Electronic Machine -Industrial & Scientific
By PuriTest
- Everything the professionals use to test diamonds & precious metals while appraising and buying
- Complete PuriTEST acids pack contains six (6) half-ounce bottles of test acids- 10k, 14k, 18k, 22k, Silver, and Platinum
- Genuine PuriTEST 30x magnifying loupe with case included FREE
- Two (2) test stones (one large, one small); deluxe stones with rubber backing
- Brand New P7 Diamond Analyzer professional jewelers test machine and gem weight guage.
16. Jewelry Flashlight Diamond Pen Diamond Tester, Portable Electronic Diamond Tester Hardness Gems Testing Tool Appraisal Diamondnite Moissanite Diamond Tester Light Jewelry Detection Tool -Industrial & Scientific
By Clina
- DIAMOND TESTER This is a diamond selector with accurate and reliable reading, but also a multi-gem tester.
- EASY TO USE A new portable High Accuracy Diamond Tester diamond observation tool, you can use infrared irradiation in diamond to evaluate the diamond.
- TEST CAPACITY High Accuracy Diamond Tester Metal, simple calibration for stones of various sizes.
- EASY TO TAKE The High Accuracy Diamond Tester compact size is easy to use and portable to store.Suitable for jewelry display or identification assistance.
- PRODUCT SIZE High Accuracy Diamond Tester Approx.15.1cm / 5.9in.If you have any problems with the tests, please contact us, we would love to help.
17. Diamond Tester, Jeweler Professional Checker Pen for Jewelry Stone Gem Jade, Electronic Diamond Selector II Testing Tool for Expert Distinguish Genuine, 9V Battery Included -Industrial & Scientific
By SHEVCHUK
- Include BatteryInclude a PU bag and small testing tray for holding loose stones
- Package Contents:1 x bag| 1 x Diamond Tester | Batteries: 1 x 9v Battery ( INCLUDED) | 1 x Testing tray
- AccurateIt is designed for quick, accurate and safe Non-destructive diamond testing.
- FeatureLow power consumption, low battery alarm (red light indication) for Moissanite Tester.
- ExpertProfessional Diamond Selector II will distinguish genuine diamond or counterfeit.
- ProtableLightweight and compact in size, easy and to carry.
18. GemOro Testerossa Talking Diamond, Moissanite & White Sapphire Tester, Silver -Arts, Crafts & Sewing
By Gemoro
- Country Of Origin: China
- Item Package Weight: 2.0 lb
- Model Number: 0770
- Item Package Dimension: 25.0″ L x 14.0″ W x 17.0″ H
19. Generic SmartPro CVD HPHT Synthetic Diamond Tester Screen 1 Type lla Lab Created, SPS I -Industrial & Scientific
By Generic
- Smart Touch Test Switch/Laser Target Pointer
- Bluetooth Ready Device to connect on Smartpro Mobile Application (may use in getting test result and issue certificates)
- Auto Testing Function/Result Indicating by bright LED lights with sounds
- Can screen Natural Diamonds (Type Ia) from Synthetic Diamonds HPHT / CVD (Type IIa)
- Can test from 0.01 CT up to 12 CT
20. HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter -Arts, Crafts & Sewing
By HMKIS
- [Intuitive Design]: Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights <9.
- [Magnification]: 60X led Magnification with batteries ( Small microscope )
- No harm to diamonds.
- For Gems, Coins, Antiques, Stamps, Reading, Inspection etc.
- [Easy to Use]: Real Diamond will Emits sounds and lights >=9.
- [Note]: Please ensure that the battery temperature is higher than 10 ℃, can not test metal, save power
- [fast and safe ]: This diamond selector tester designed for quick, precise, and safe diamond testing
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21. AURACLE AGT3 Digital Gold & Platinum Tester -Diamond Testers
By Gemoro
- INCLUDES – GemOro AGT3 Tester, pen probe, file, battery, AC adaptor and rubberized carrying case.
- STEP-BY-STEP DIRECTIONS – Easy to identify non-gold, gold plate and gold filled in seconds.
- STATE-OF-THE-ART AND PORTABLE – Handheld tester has exceptional precision, is simple to use, and identifies digital karat value and gold percentage in seconds
- PATENTED WITH PATENTS PENDING – Tests all karat levels of gold from 6K to 24K and tests for platinum.
- NEW ADVANCED DIGITAL TESTER – Gemoro AGT3 is the ultimate verification instrument for gold and platinum testing.
22. Presidium Multi Tester III (PMuT III) All-In-One Instrument for Testing Diamonds, Moissanites and Diamond Simulants -Diamond Testers
By Presidium
- CLEAR, CONVENIENT DISPLAY: 180-degree multi-viewing LED display for easy readability for either right or left-handed use
- ALL-IN-ONE INSTRUMENT: The world’s first tester that tests for both colorless diamonds and moissanites in a single instrument
- THINNEST RETRACTABLE PROBE TIP: Retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results
- Powered by 3 AAA batteries.
- If you experience issues with calibration, please reach out to the seller for assistance prior to returning the item.
- EASY TO USE DESIGN: Ergonomic handheld design with a rubberized anti-slip grip for easy handling
- With the industry’s thinnest probe tip size of 0.6mm, the PMuT III tests colorless diamonds as small as 0.02ct.
- IMPORTANT TO NOTE: This product needs to be calibrated prior to use
- Light and portable with a convenient carrying case.
23. SmartPro Screen I Diamond Tester CVD HTHP Type lla Lab Created -Diamond Testers
By SmartPro
- Auto testing function, New technology LED light source with hight efficiency and mercury-free
- Test from 0.01 ct up to 12 ct; Tests Earth-Mined Diamonds (D-J) and Lab Created CVD/HPHT Type IIa colorless
- No warmup time before testing; Ready LED indicator; Super battery life saver
- Power: USB Port, Power Adapter, or 4AAA Batteries (Alkaline recommended)
- Smart touch test switch on the top front of the unit; Result indicating by Bright LED Lights with sound
24. PuriTest Electronc Diamond and Precious Metals Test Kit-Culti Diamond Selector, Purity Test Acids, DigiWeigh Jewelry Scale and Much More! -Diamond Testers
By PuriTest
- Genuine PuriTEST 30x magnifying loupe with case, test stone, and 10-piece set of long needle-files
- Six (6) half-ounce bottles of PuriTEST test acids- 10k, 14k, 18k, 22k, Silver, Platinum Testing Acids
- Plus 2 free bullion samples! 1 mini 5gr solid 999-fine silver bar, and a 5g 24k-pure gold-clad bar
- Authentic Culti Diamond Selector II enables you to determine difference between real diamonds, cubic zirconia (cz), and other gems; Includes 60-day money back guarantee
- DigiWeigh DW100AX electronic jewelry scale with protective cover/tray, batteries, calibration weight, instructions, and Lifetime Warranty
25. PRESIDIUM ELECTRONIC GEMSTONE DIAMOND GEM GAUGE PEGG -Diamond Testers
By Presidium
- Great Quality!
26. Presidium ARI Synthetic Diamond Screener Tester Hand Held Gem Testing Machine -Arts, Crafts & Sewing
By Rosenthal Collection
- UV Retractable Optical Probe activates when the tip is in contact with the diamond; Alert Buzzer sounds when there is loss of contact between the tip and the stone
- ARI measures the UV light absorbance ability of diamonds and moissanites within 3 seconds
- Standby Time: 10 minutes from the last measurement
- Tested On: Loose or Mounted Diamonds in all Jewelry Settings; Polished Diamonds and Moissanites, as small as 0.02ct
- AAA Battery Operated
27. Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones -Diamond Testers
By Presidium
- THINNEST RETRACTABLE PROBE TIP I PGT II features the industry’s thinnest retractable probe tip
- INDUSTRIES MOST TRUSTED | Gemstone tester redesigned to be more compact, sturdy and portable
- VERSATILE AND RELIABLE | Consistent and reliable results every time
- INCLUDED ASSISTED THERMAL CALIBRATION | Now easily self calibrate your device to your testing environment
- Identifies diamonds/moissanites
- SIMPLE & EASY TO USE | Clear and easy-to-read analog dial; Can differentiate 16 types of gemstones
28. Diamond Tester Pen＋60X Mini LED Magnifying,High Accuracy Jewelry Diamond Tester Tool,Environmental Protection 9V Battery,Professional Diamond Selector for Novice&Expert,Thermal Conductivity Meter -Diamond Testers
By Hqdz
- Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep
- Once our Diamond Tester Pen has completed all of its tests, the pen will make a beep sound as well as show a row of fully lite LED lights.
- During a test, if the stone tested is a diamond, the LED lights will light up as the stone passes each test conducted by the Diamond detector
- Alternatively, its also a great tool to have when testing your own jewelry.
- Application RangeIndustrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office.
- Both items are small and can fit into any purse or backpack
- Fast ResultsHqdz’s Diamond Tester Pen is design to deliver fast, accurate results
- You will be able to know if something is fake in a matter of seconds.
- Simple to UseHqdz Diamond Tester Pen is simple to operate to get results, professional(s) are not required
- Hqdz’s Diamond Tester Pen and 60X LED Lighted Loupe combo is a must have tool kit when you are going to a garage sale, flea market, swap meet, etc
- Intuitive DesignHqdz Diamond Tester Pen comes with LED lights and audio indication
- PortableHqdz Diamond Tester Pen and 60X LED Lighted Loupe each comes with its own convenient carrying cases
- To determine the clarity of a diamond use 60X LED lighted Loupe, magnifying glasses.
29. Diamond Tester,High Accuracy Jewelry Diamond Tester，Jewelry Gem Tester Pen，Portable Electronic Diamond Checker Tool，Professional Diamond Selector for Novice and Expert(Battery Included)… -Diamond Testers
By YSCP
- The probe and the object to be tested must be at a 90-degree angle, and the authenticity of the gemstone can be quickly identified according to the sound and reading (such as cubic zirconium (CZ)) Such imitations will not react when detected)
- NOTICE Please read the instructions carefully before using the professional diamond tester , and use this product correctly in order to test out accurate results
- Non-destructive Testing This diamond tester is specially designed for true and false gemstone testing, not only fast and accurate, but also safe, used to distinguish real diamonds from other imitation stones, without adverse effects on gemstones, suitable for: masonry, crystal, agate, red Sapphire, Emerald and more, it is a great tool to test your jewelry
- COMPACT SIZE FOR EASY PORTABILITY Our high accuracy diamond tester measures about 6.3 x 1.57 x 0.87 inches, it is small and portable, it is light in weight, it can be put into any handbag or backpack, and it will not put too much burden on you when using it
- MATCHING BATTERY Each diamond tester pen has a matching alkaline mercury-free environmentally friendly high-performance battery (DC 9V battery), so you don’t need to spend extra effort to choose a matching battery
- EASE OF USE The intuitive display design of the LCD display and LED indicator light makes the operation of the diamond checker tool easy
30. Diamond Gem Tester Pen – High Accuracy Diamond Tester Kit Portable Electronic Diamond Gem Tester with 60X Magnifying Glasses and Battery Jewelry Diamond Detector for Expert Novice -Arts, Crafts & Sewing
By HPX
- Practical Jewelry LoupeMagnifying glass (small microscope) equipped with 60X LED illumination
- It can detect if a gemstone is real or fake, such as diamonds, jades, emeralds, crystals, agates, gems and so on, making it possible for you to distinguish and observe them clearly and easily.
- Diamond test pen can be used for gems, coins, antiques, stamps, reading, inspection, etc
- MultipurposeThis gemstone testing equipment is not only a diamond tester, but also a multi gemstone tester
- Diamond tester pen is designed for fast, precise and safe diamond testing.
- Clear Screen DesignThese high accuracy diamond testers are designed with a clear screen, so you can get the useful data quickly; The item you are testing will be a true diamond when the data is above 9, and a true emerald crystal agate when the data is 7, you will be able to know in a few seconds whether an item is fake or not, saving your time to recognize.
- Complete Tool for DiamondsDiamond tester package comes with 1 x Jewelry tester, 1 x Jewelry loupe, 1 x leather pouch case for pen, 1 x leather pouch case for Microscope, 1 x 9V battery, 1 x Testing Platform, 1 x Tweezers, 7pieces in total, which are complete and practical for you to test or observe diamonds, bringing you a good using experience.
- Application RangeApply to Industrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office and more.
31. StillCool Diamond Tester, High Accuracy Diamond Test Pen, Professional Jewelry Diamond Tester Tool -Diamond Testers
By StillCool
- It is designed for quick, precise, and safe diamond testing.
- Powered by DC 9V battery x 1 (Not Included)
- LCD display & LED indicator.
- If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
- Portable electronic device for distinguishing real diamonds from other simulated stones.
32. Personal Scrap Jewelry Organizer Test Kit with Digital Scale- Test Silver, Platinum, and 10k 14k 18k 22k 24k Gold! -Diamond Testers
By PuriTest
- Make sure you’re receiving your money’s worth when purchasing precious metals!
- Six (6) half-ounce bottles of PuriTEST test acids- 10k, 14k, 18k, 22k, Silver, Platinum Testing Acids
- Deluxe professional quality test stone, and 1 needle file tool
- Enables you to test & weigh samples..
- DigiWeigh DW100AS electronic jewelry scale with batteries, calibration weight, and Lifetime Warranty
33. GemOro AuRACLE AGT3 Gold (6-24K) & Platinum Tester Kit -Tools & Home Improvement
By Gemoro
- One year limited warranty
- Results in seconds
- Easy to read alphanumeric LCD display shows both karat value and gold percentage
- Tests all colors of gold from 6K to 24K and tests platinum
- Powered by 9V alkaline battery or multi-voltage 100V-240V AC adapter
34. cultj Diamond Combo Tester II Diamond Tester Pen Professional Moissanite Tester Low Conductivity Moissanite Tester HPHT Type lab-Grown Diamond Tester (Type Combo II) -Diamond Testers
By cultj
- It has alarm function when the probe touches metal and has the function of low battery alarm.
- Portable and hand-held design, It’s ergonomic.
- Bright dynamic display and sound detection results prompt tone
- Classic Diamond Combo Tester II, stable and accurate performance
- Using the principle of different thermal conductivity and electrical conductivity between diamond ，HPHT type lab-grown diamond, mossanite and fake diamonds, A single test can distinguish colorless diamond, HPHT type lab-grown diamond ,mossinate and fake diamonds
- it’s not effective for CVD type lab-grown diamonds.
- The tester doesn’t work for ten minutes, it will automatically extinguish the indicator light, and make a “beep” sound, It has the function of warning the user to turn off the power.
- Designed specially to distinguish between colorless diamonds, HPHT type lab-grown diamonds, and mossinate
- It has a stronger detection ability for low conductivity mossinate.
35. AMT212 Portable Built-in Printer Durometer Digital Handheld Leeb Hardness Tester with Standard D Impact Device PC Software for Steel Aluminum Iron Alloy Copper -Diamond Testers
By AMTAST
- Direct display of hardness scales HRA, HRB, HRC, HV, HB, HS, HL.
- You can test at any angle, even upside down, narrow space and other poor working conditions also available to use.
- EASILY OPERATEIt’s simple to use through the window menu with true color display
- LARGE MEMEORYLarge capacity memory could store up to 600 groups information (relative to impact times 1~32 adjustable).
- WIDE MEASURING RANGEIt can measure the hardness of most kinds of metallic materials
- BUILT-IN PRINTERWith built-in printer, you can print testing results immediately whenever you need.
- MULTI-FUNCTIONSCustomized material function, user calibration function, automatic alarm function, starting value calibration function and more.
36. RS Mizar M24 Mizar Gold Tester -Diamond Testers
By RS Mizar
- Low battery indication function
- Made in the USA
- Automatic shut-off function
- Fully portable
- Battery operatec
37. Diamond Tester High Accuracy Diamond Tester Pen,Environmental Protection 9V Battery,Professional Diamond Selector for Jeweler Novice and Expert,Thermal Conductivity Meter (Diamond Tester) -Arts, Crafts & Sewing
By Yhkj
- ●Professional Diamond Selector II will indicate genuine diamond or fake,LCD display & LED indicator.
- ●Portable electronic device for distinguishing real diamonds from other simulated stones.
- ●It is designed for quick, precise, and safe diamond testing.Emits audible sounds to easily differentiate the readings.
- ●If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
- ●Came with 5-Year Warranty TAKE YOUR CHANCE !!Click the “ADD TO CART “Button Now!Thank You For Your Choice !Package Contents: 1 x Diamond Tester,1 x Use Manual,1 x 9v Battery ( included)
38. Diamond Tester Pen, ZAKVOP High Accuracy Jewelry Diamond Tester Tool, Upgraded Professional Diamond Selector for Novice and Expert, Portable Electronic Diamond Detector, Thermal Conductivity Meter -Arts, Crafts & Sewing
By ZAKVOP
- Warm Reminder: When testing diamond, your right index finger must keep touching the metal panel on the back of the tester, while you do not touch the panel if you test other gemstones
- Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and LED lights <9.
- Just adjust to the appropriate gear, put the tip of the diamond tester on the diamond and press it gently
- Do Not test any metal
- Simple Use: The diamond tester pen is simple to operate to get results
- Fast Results: Diamond Selector II, Newest Diamond Tester Pen, high accuracy indicate genuine diamond or fake
- When testing, the probe needle and the tested object must be at a 90° angle.
- This diamond selector tester designed for quick, precise, and safe diamond testing
- Do Not wear glove.
- Jeweler Diamond Tester: This diamond tester can not only detect the authenticity of diamonds, but also detect the authenticity of jewelry
- Intuitive Design: Professional Diamond Selector II will indicate genuine diamond or fake
- The real diamond will make sound and LED light > = 9
- It can detect gemstones including: sapphire, ruby, crystal, agate, jadeite and other gemstones of various sizes.
- No harm to diamonds.
39. Jewelry Identification Tool, Jewelry Fire Color Pen, Jewelry Identification Tool Portable Electronic Diamond Tester Flashlight Torch Pen for Diamond Crystal Agate Jade Stone Hardness Gems Testing Tool -Diamond Testers
By Clina
- The handle of ergonomic design is convenient to grip.
- DIAMOND TESTER Jewelry Identification Tool is a diamond selector with accurate and reliable reading, but also a multi-gem tester
- The torch can directly display the light color effect under the tester of diamond and then to evaluate the quality of diamond.
- TEST CAPACITY Metal, simple calibration for stones of various sizes
- EASY TO TAKE The compact size is easy to use and portable to store
- Explosion proof,dust proof, moisture proof and impact proof.This gemstone testing equipment is not only a diamond tester, but also a multi gemstone tester.
- Jewelry Identification Tool Suitable for jewelry display or identification assistance
- EASY TO USE A new portable diamond observation tool, you can use infrared irradiation in diamond to evaluate the diamond.Jewelry Identification Tool In accordance suitable for outdoor environment and adverse weather conditions, suitable for jewelry display or identification assistance.
- which is eco-friendly and durable to use.
- Made of quality material, which is eco-friendly and durable to use
- DIAMOND IDENTIFICATION TOOLIt is designed for quick, precise, and safe diamond test
40. Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones -Diamond Testers
By Presidium
- SIMPLE & EASY TO USE: Clear and easy-to-read analog dial; Can differentiate 16 types of gemstones.
- NOTE: The calibration may be affected during shipping
- Identifies diamonds/moissanites.
- VERSATILE AND RELIABLE: Consistent and reliable results every time
- INDUSTRIES MOST TRUSTED gemstone tester redesigned to be more compact, sturdy and portable.
- If you have issues, reach out to the seller.
- THINNEST RETRACTABLE PROBE TIP: PGT II features the industry’s thinnest retractable probe tip.
- Hitting the Books: How Pokemon took over the world 2023
- 46 Best carpet cleaner solution for machine in 2023
41. iSonic D3800a Digital Ultrasonic Cleaner for Jewelry, Eyeglasses, Watch, 600 ml, 110V 35W -Diamond Testers
By iSonic
- 3Pt/0
- 1″x3
- Comes with a plastic basket, a watch stand
- 7″x2
- included components: plastic basket, watch stand, sample solution
- Ultrasonic Frequency 42, 000 Hz, 110V 35W
- Timer Settings: 180, 280, 380, 480, 90 seconds
- material type: Plastic; Stainless Steel; Electronics
- Stainless Steel Tank, Tank Size (oval) 6
- 6L, white color, 110V
- iSonic D3800A-W Digital Ultrasonic Cleaner, 1
42. Best Precision Jewelry Diamond Test Pen Environmentally Friendly 9V Battery, High Precision Jewelry Diamond Tester, Suitable for Novice and Expert, Thermal Conductivity Meter (Black) -Arts, Crafts & Sewing
By UVER
- Support battery: support mercury-free alkaline environment-friendly high-performance battery，DC 9V battery x 1 (included)
- Harmless to diamonds.
- Professional Diamond Selector II will show real diamonds or fakes，Use the big/small switch to test diamonds，Makes an audible sound to easily distinguish readings.
- Service: If you have any questions about the use, please contact us
- We will explain the details
- Easy to use：Real diamonds make sounds and lights >= 9.Fake crystal, such as cubic zirconia (CZ), crystal, glass will not emit sound and light <9.
- Professional equipment, the use method needs to be learned slowly.
- Fast and Safe: This diamond selector tester is designed for fast, precise and safe diamond testing
43. SmartPro SPGE-I Gem Eye I Gem and Diamond Tester Smart Pro -Arts, Crafts & Sewing
By SMARTPRO
- No waiting time between tests
- Portable tester that can be used anywhere
- Industry’s thinnest probe tip (0.48mm) for testing diamonds as small as 0.01ct
- Identifies metals, simulants and diamonds instantly
- High efficiency
44. Diamond Tester,High Accuracy Dimond Test Pen，Jewelry Gem Tester Pen，Portable Electronic Diamond Checker Tool，Professional Diamond Selector for Novice and Expert(Battery Included) (Diamond Tester) -Arts, Crafts & Sewing
By UVER
- Application Range:Industrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office.fast and safe This diamond selector tester designed for quick, precise, and safe diamond testing
- If you have any questions about use, please contact us
- Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep.
- ” This diamond tester is specially designed for true and false gemstone testing, not only fast and accurate, but also safe, used to distinguish real diamonds from other imitation stones, without adverse effects on gemstones, suitable for: masonry, crystal, agate, red Sapphire, Emerald and more, it is a great tool to test your jewelry it is small and portable, it is light in weight, it can be put into any handbag or backpack, and it will not put too much burden on you when using it”
- Diamond Tester Pen is simple to operate to get results, professional(s) are not required
- No harm to diamonds
- We will explain in detail
- [Package include]:Diamond tester is battery powered for convenience.Requires 1 standard 9v battery, which is included.Package include:1 x Diamond Tester,1 x Leather Pouch Case,1 x Testing Platform,1 x User Manual,1 x DC 9V battery.
- Each diamond tester pen has a matching alkaline mercury-free environmentally friendly high-performance battery,so you don’t need to spend extra effort to choose a matching battery.Please read the instructions carefully before using the professional diamond tester , and use this product correctly in order to test out accurate results
- Professional equipment, the use method needs to learn slowly.
45. Gemoro 0775 Pro-D 3 Diamond Tester Includes Case, Charger and Rechargeable Batteries -Diamond Testers
By Gemoro
- IDENTIFIES, DETECTS AND SEPARATES DIAMOND OR MOISSANITE FROM CZ
- THE LATEST 3RD GENERATION PRO-D 3 TESTER – Design is sleeker, more ergonomic
- PACKAGE INCLUDES – A GemOro protective ballistic nylon carrying case, aluminum loose stone holder, GemOro Test Stone Cloth, as well as (3) user-replaceable AAA NiMH rechargeable batteries, a universal multi-voltage 100V-240V AC adapter / charger cube with premium micro-USB cord.
- with improved testing sensitivity.
- FUNCTIONS INCLUDE – Glowing light pipe / probe tip cone / ring tone for quick stone identification (GREEN = Diamond, PINK = Sapphire, RED = Metal Alert)
- ACCURATE AND RELIABLE – Patented technology sets the standard for protection against diamond simulant fraud!
46. High Accuracy Professional 2pt Jewel Stone Combo Gem Jewelry Jeweler Tester Test Selection Tool Kit selector Meter Device for Diamond Moissanite Metal Gemstone Novice and Expert -Diamond Testers
By TEKCOPLUS
- Working time:about 2 hours of continous use
- With “beep” sound indicator
- Built in metal detector
- Probe warm up time:about 25 seconds
47. GemOro Ultratester 3+ Diamond, Moissanite & White Sapphire Tester, Black -Arts, Crafts & Sewing
By Gemoro
- Detects the widest range of moissanite, including forever one moissanite
- Recommended by Charles & colvard
- Tests for diamonds, moissanite, and white sapphire
Best Brands
Buying a product from a reputable manufacturer that provides high brand value is one of the most essential things. Based on my research, here are the top brands that make the best electronic diamond tester.
- Presidium
- GTE
- Hqdz
- Dupeakya
- Broadsheet
- Szxhf
- Culti
- JSP
- Molo
- TANJIN
The Buyer’s Guide
Although the aim of this list is to help you choose the best option for your needs. This guide shall help you make an informed purchase decision. Here are the few things to consider when choosing a electronic diamond tester.
1. Features
There’s no point in purchasing a electronic diamond tester that doesn’t solve your usage needs. Sometimes, even the best option wouldn’t have all the options you’d need. That’s why list down all your feature requirements and make sure that the option you’ve chosen comes with all of them.
2. Budget
Budget plays an important role, if it wasn’t for the budget, wouldn’t everyone purchase the most expensive option? However, before you decide the budget, I’d recommend you to make a list of features you’d need. In case a feature you need the most isn’t available in your budget range, then there’s no point in buying it, is there?
My advice is to make sure that the product has all the features you need then decide the budget. If a product you’ve chosen isn’t having all the features you need, then you should consider increasing your budget.
3. Value For Money
There are times when you shall come across various electronic diamond tester that shall have all the features you need. However, the price difference shall exist. In a situation like this, it is recommended to value each feature and make sure that you’re not overpaying for a feature you wouldn’t use.
4. Brand, Customer Support, & Warranty
Purchasing a product from a reputed brand is very important. Not only does it guarantee high-quality build, but you also get much better customer support.
You should also make sure that it has a decent warranty, it is really helpful in case a product breaks down due to manufacturing defects. Also, repairs during warranty are generally free of cost (depends on service terms).
5. Individual Product Reviews
You don’t have to watch individual reviews of each electronic diamond tester in this list. However, pick 2-3 options that have all the technical aspects according to your usage needs. Once you’re ready with it, go to YouTube/Amazon and look at video/customer reviews to make sure that the existing buyers are satisfied with the product.
The FAQs
Which is the best electronic diamond tester?
According to my research, the PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER is the best option.
Is Presidium a reliable brand?
It’s one of the best brands, not only does it make the top-rated electronic diamond tester, but it also is known for its exceptional service.
Which is the cheapest yet powerful electronic diamond tester?
According to me, the Gold Silver & Diamond Tester Gemstone Testing KIT Electronic Test 6 Solutions is one of the cheapest options available and yet has all the features.
Are there deals going on?
A few of the options in our article are currently available for a discounted price. However, check out the product listing to find more information.
What brands should I consider when purchasing?
Based on my research, these are the top 5 brands: Presidium, GTE, Presidium, Hqdz, and Dupeakya.
Should I buy it online or go to an offline store?
Shopping online comes with a few advantages such as discounted pricing, quick delivery at home. However, if you’re in a hurry or can find the product for a cheaper price in the offline market, consider visiting the offline store.
The Verdict
Choosing the right product isn’t easy and for many of them it could be a time consuming task. However, with this guide, my aim is to help you guys find the perfect electronic diamond tester for your needs.
I’ve done a huge research to ensure that options I’ve listed are among the best. Like mentioned above, I also interviewed many experts to make sure that the enlisted models are high quality.
I hope that you’re able to find the right electronic diamond tester for your usage. If you are still struggling to find one, feel free to comment below or contact me.
