Gemoro Ultratester 3+® Diamond & Moissanite Tester

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UltraTester 3+ Diamond, moissanite & white sapphire tester identifies, detects and separates diamond from CZ and moissanite. The patented ergonomic design features new advanced exclusive ultraviolet “UV” F1 moissanite testing technology, shown to be the most effective technology for identifying the widest range of the electrically conductive moissanite material available, including the new super low electrically conductive F1 moissanite that just hit the market. 


  • LED stone illumination and UV fluorescence detection
  • Precision retractable probe-tip with enhanced durability
  • Virtually indestructible ABS housing
  • Fast warm-up time
  • Unique beep tones & patented glowing probe tip and light pipe indication:  GREEN = Diamond, BLUE = Moissanite, PINK = Sapphire and RED = Metal Alert
  • Includes: (3) AAA NiMH rechargeable batteries, micro USB cable with universal voltage AC adapter/charger, loose stone holder, and new compact rubberized portable storage / travel case
  • Unprecedented Lifetime Limited Warranty
  • May be used with optional  GemOro UltraDock 3 (Item 817-1038) charging station
  • Powered by micro-USB or with its included 3 AAA rechargeable NiMH batteries (user may substitute 3 AAA alkaline batteries if desired)
  • Auto-off function if accidentally left on preserves battery life
  • Designed in the USA. Made in China
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