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DK69107 - GemTrue JEM-II

DK69107 - GemTrue JEM-II


Introducing the GemTrue JEM-II Diamond Tester: The Ultimate Tool for Authenticating Diamonds with Precision and Confidence.


Experience the power of instantaneous verification with the GemTrue JEM-II Diamond Tester. With its cutting-edge technology and advanced features, this diamond tester is the ideal solution for discerning jewelers and astute businessmen seeking to distinguish genuine diamonds from other gemstones. In just a split second, this remarkable device utilizes a built-in UV light and a durable 0.6mm thermos probe to accurately detect the authenticity of your precious stones.


Unleash the full potential of the JEM-II diamond tester, engineered by GemTrue, renowned experts in gemological instruments. This sophisticated diamond tester pen utilizes innovative thermal technology, ensuring precise results when examining your diamonds. Regardless of your level of expertise, this earlier generation diamond tester boasts a user-friendly design. Simply activate the device, press the probe against your gemstone, and await instant confirmation of its diamond status. What's more, the built-in UV light empowers you to detect fluorescence in your diamonds, enhancing your evaluation process.


Crafted with portability in mind, the GemTrue JEM-II Diamond Tester showcases a compact and lightweight design. Seamlessly integrated into your gemological toolkit, this indispensable device accompanies you effortlessly, whether you're attending a trade fair or visiting a supplier's office. The high-quality thermoelectric probe guarantees exceptional accuracy and ultra-fast readings, ensuring efficient and reliable usage.


Please be aware that diamond testers exclusively employ thermoelectric conductivity, rendering them unable to differentiate between natural diamonds and man-made alternatives such as moissanite or CVD. To address this requirement, a multi-tester employing a thermoelectrical probe is necessary. Discover our range of diamond moissanite testers, designed specifically to discern between diamond, moissanite, CZ, and various other gemstone types.




  • Product Dimensions: 165 x 30 x 20mm (6.50 x 1.18 x 0.78in)
  • Product Weight: 57g (0.13lb)
  • Battery Type: 1 x 9v battery
  • Battery Life: Approximately 3 hours of continuous use (based on high-quality alkaline batteries). Continuous use of the UV light source provides approximately 1.5 hours of functionality.
  • Low Battery Warning: Yes
  • LED Display: Yes
  • Audible Test Results.
  • Operating temperature: 18°C - 28°C (64°F - 82°F)
  • Storage temperature: 35°C - 53°C (95°F - 127°F)


Package Content:


  • 1x DK69107 Diamond Tester
  • 1x Metal loose stone holder
  • 1x User manual
  • 1x PU leather carrying pouch.


Invest in the GemTrue JEM-II Diamond Tester today and elevate your diamond authentication process to unparalleled heights. With its cutting-edge technology, user-friendly design, and superior accuracy, this diamond tester is the ultimate tool for professionals and enthusiasts alike. Don't leave the authenticity of your diamonds to chance—choose GemTrue for reliable, precise, and confidence-inspiring results.

DK69107 - GemTrue JEM-II

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