With numerous Best Gem Tester brands to select from – including big names like Presidium,HMKIS,SMARTPRO,Hqdz,GTE – picking the right product can feel overwhelming. But we’re here to simplify your search for the perfect Best Gem Tester.
We thoroughly tested and evaluated a wide range of top Best Gem Tester contenders to help you navigate the crowded market. Our stand-out favorite is Presidium Best Gem Tester for its unparalleled quality and top-tier features. Below you’ll discover more of our top-rated Best Gem Tester picks currently available.
Make sure to consult our buying guide too for valuable insights on choosing the ideal product for your needs. It covers all the key factors when shopping for a Best Gem Tester. With our research backing your decision, you can confidently invest in a Best Gem Tester you’ll truly love.
Editor's Choice
Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying
Premium Pick
Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for
Budget Pick
HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋ 60X Mini LED Magnifying,
Top 10 Best Gem Tester
We researched and compared the top products in the Best Gem Tester category to provide you with these recommendations.
1. Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying
- INCLUDED ASSISTED THERMAL CALIBRATION | Now easily self calibrate your device to your testing environment
- INDUSTRIES MOST TRUSTED | Gemstone tester redesigned to be more compact, sturdy and portable
- THINNEST RETRACTABLE PROBE TIP I PGT II features the industrys thinnest retractable probe tip
- VERSATILE AND RELIABLE | Consistent and reliable results every time. Identifies diamonds/moissanites
- SIMPLE & EASY TO USE | Clear and easy-to-read analog dial; Can differentiate 16 types of gemstones
2. Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for
- NOTE: The calibration may be affected during shipping. If you have issues, reach out to the seller.
- INDUSTRIES MOST TRUSTED gemstone tester redesigned to be more compact, sturdy and portable.
- THINNEST RETRACTABLE PROBE TIP: PGT II features the industrys thinnest retractable probe tip.
- VERSATILE AND RELIABLE: Consistent and reliable results every time. Identifies diamonds/moissanites.
- SIMPLE & EASY TO USE: Clear and easy-to-read analog dial; Can differentiate 16 types of gemstones.
3. HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋ 60X Mini LED Magnifying,
- [Easy to Use]: Real Diamondwill Emits sounds and lights>=9.
- [Intuitive Design]: Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights<9.
- [fast and safe ]: This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds.
- [Magnification]: 60X led Magnification with batteries ( Small microscope ). For Gems, Coins, Antiques, Stamps, Reading, Inspection etc.
- [Note]: Please ensure that the battery temperature is higher than 10 , can not test metal, save power
4. SmartPro SPGE-I Gem Eye I Gem and Diamond Tester Smart Pro
- High efficiency
- Industrys thinnest probe tip (0.48mm) for testing diamonds as small as 0.01ct
- Identifies metals, simulants and diamonds instantly
- Portable tester that can be used anywhere
- No waiting time between tests
5. High Accuracy Professional Diamond Tester Pen Jeweler Tool for Novice and Expert - Diamond Selector
- [Fast and safe ]:Professional Diamond Selector II will indicate genuine diamond or fake.It is designed for quick, precise, and safe diamond testing.
- [Intuitive Design]:LCD display & LED indicator.Uses large / small switches for testing diamonds,Emits audible sounds to easily differentiate the readings.
- [Simple to Use]:Hqdz Diamond Tester Pen is simple to operate to get results, professional(s) are not required. 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.
- [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.
6. Purity Testing Kit for Diamonds Gemstones Moissanites Gold Silver and Platinum Jewelry Electronic
- 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!
- AUTHENTIC GTE 3''x6'' JEWELRY TOUCHSTONE FOR SAFE TESTING THAT WON'T DAMAGE YOUR JEWELRY
- JEWELRY TEST KIT-DIAMOND TESTER-TRIPLET MAGNIFIER
- A MUST-HAVE FOR ANYONE WHO WANTS TO INVEST IN GOLD, SILVER, PLATINUM, OR DIAMONDS!
- *BONUS* GTE ACID NEUTRALIZER QUICKLY CLEANS STONE
7. Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common
- INDUSTRIES MOST TRUSTED | The only handheld tester specifically for colored gemstones; Quick results in less than 6 seconds.
- THINNEST RETRACTABLE PROBE TIP | Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone, for enhanced accuracy.
- VERSATILE AND RELIABLE | Color input function to further separate gemstones for more precise results.
- EASY TO READ | Results are on a clear digital LED screen; Tests an extended range of 31 different gemstones.
- ERGONOMIC | Sleek chrome-brushed ergonomic grip; USB port for alternative power and handheld for convenience.
8. Tester Pen Jeweler Tool, Gem Tester, Tester for Novice and Expert, High Accuracy Professional
- Fast and safe :Professional Selector II will indicate genuine or fake.It is designed for quick, precise, and safe testing.LCD display & LED indicator.Uses large / small switches for testing diamonds,Emits audible sounds to easily differentiate the readings.
- Bare Hands Operation:All the tests must be done by your bare hands. If you put on your gloves, the metal alert will not function since a normal levelof your hands is necessary for operation.All test must be done by TWO hands, one for hold the and one for the tester. As for the hand which hold tester, you have to touch the electricity conductive panel on the back of the unit.If you test the just by one hand, you will get a wrong result.
- Beeping Upon Startup:Ensure correct installation and adequate power in the test pen battery. Also, clean the test pen probe as maintaining its cleanliness can enhance testing efficacy.A beeping sound upon powering on signifies the need for initialization settings. Consult the table on the rear of the machine for the specific initialization settings considering the diamond's temperature and size. Adjust the initial number of illuminated lights by rotating the knob (the default setting is to
- High-Frequency Sound when Testing Metal:The high-frequency sound during metal testing is due to the test pen's operational principle, which relies on thermal conductivity to distinguish between diamonds and fake gemstones. Since metal possesses thermal conductivity similar to diamonds, it generates a high-frequency sound during testing.
- Simple to Use:Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our Tester Pen detector; place the tip of the Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep.
9. Dupeakya Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tester Tool for
- This is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond tests.
- An excellent tool kit for the diamond tester, suitable for handling any exposed or inlaid diamonds and gems, as well as other jewelry and precious metal items.
- The diamond detector with voice instructions and audible sounds are emitted when the lights are on so that you can easily distinguish between masonry and stone.
- The small portable electronic devices can be put in any wallet or backpack, and the operation is simple. As long as the tip is perpendicular to the test masonry and the switch is pressed, the result can be obtained.
- Package contents: 1 x diamond tester, 1 x leather case, 1 x test platform, 1 x user manual. This product uses a dc9v battery (not including battery).
10. Diamond Tester Jewelry Gem Stone Tester Kit – Professional 2-in-1 Tester for Diamonds, Moissanite,
- Integrated Metal Detector: This feature helps locate and eliminate undesired metals or rubbish, ensuring a safe and tidy work area
- Quick Warm-Up: Make the most of your time by starting quickly with a warm-up that takes just 25 seconds
- Audible Alerts: Prevent unneeded waiting time by staying focused with the helpful beep sound signal that lets you know when the gadget is ready for use
- Optimal Efficiency: This tester combines speed and precision for optimal production. Its easy-to-use and straightforward design increases productivity without sacrificing quality
- Testing that is Accurate and Reliable: Designed to easily differentiate between stones such as moissanites and diamonds. Testing of stones as small as 2 pt may be done accurately thanks to the fine, elastic-tipped probe
Peter
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