JEM-III Handheld MOISSANITE TESTER with UV Ultraviolet Light, Mounted Jewelry Loose Stone Gemstone 2pt Jewel Stone Tool Selector For Novice and Expert, No Calibration Needed

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It is a sure way to tell the difference between diamonds and moissanite (man-made diamonds). This tester will leave you in no doubt as to the nature of your stones. It is a "touch and tells you" device that utilizes the moissanite feature, the different electrical conductivity of the diamond. It effectively and quickly distinguishes moissanite from diamond. With the addition of Ultraviolet (UV) light, you can now test the fluorescent reaction of stones.


  • Equipped with ultraviolet light to test the fluorescent reaction of stones
  • Doesn't need to be calibrated
  • An option to use or connect with an A/C adaptor (not included) for a long time indoor use
  • Most compact design and low battery consumption
  • Visual & audible alarm if the stone is moissanite and if it touches the metal surface
  • With a single press of a button, it can accurately and precisely:
    • Distinguishes authentic diamond from Moissanite and;
    • Distinguish stones as small as 2pts
  • Comes with a testing platform for loose stones
  • Brand new and unused



  • Working Voltage: DC 9V, 6F22 battery (not included in the set) or AC adaptor 110V~240V, DC 9V (not included in the set)
  • Working Time: about 5 hours for continuous use
  • Suggested Working Temperature: 18~ 30°C
  • Size:168 x 31 x 21mm
  • Weight: 55g


Set includes:

  • 1 x Moissanite Tester / Selector
  • 1 x Vinyl Leather Pouch Case
  • Heavy duty Testing Platform

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