JEM-II  Diamond Tester with Ultraviolet (UV) Light

OEM Packaging & Design Service

JEM-II Diamond Tester with Ultraviolet (UV) Light

Regular Price $34.90
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This diamond selector doesn't react on stones like fake crystals, or simulants such as cubic zirconium, when the probe touches the surface. It is the easiest answer for the vast majority of retail jewelers, pawn brokers and chain stores when faced with the decision of which diamond selector to buy. Why? Because it works reliably and share the most advanced diamond selector technology on the market.


  • Equipped with ultraviolet light to test fluorescent reaction of stones
  • Flexible calibration with multi Level Volume to match different sizes of stones
  • An option to use or connect with A/C adaptor (not included) for long time indoor use
  • Most compact design and low battery consumption
  • Emit audible sounds to give warning buzzer if the probe touches metal surface
  • Audible and visual indicator of genuine diamond
  • With a single press of a button it can accurately and precisely: Supplied with vinyl pouch, testing platform for loose stones and a comprehensive instruction manual best utilize JEM-II
    • Quickly distinguishes authentic diamond from all models of diamond simulants and metals
    • Distinguish stones as small as 2pt
  • Brand new and unused


  • Probe Warm-up Time: about 25sec
  • Working Time: about 5 hours for continuous use
  • Suggested Working Temperature: 18°C to 30°C
  • Working Voltage: 1 x 9V, 6F22 battery (not included in the set) or AC adaptor 110V-240V, DC 9V (not included in the set)
  • Size: 168 x 31 x 21mm
  • Net weight: 55g

Set includes:

  • 1 x Diamond Tester
  • 1 x Vinyl Leather Pouch Case
  • 1 x Heavy duty Testing Platform
  • English Instruction Manual

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