Gain Express Diamond Tester Pen, High Accuracy Jewelry Diamond Tester Professional Diamond Selector for Novice and Expert Jewelry Diamond - Gain Express Holdings Ltd., JEM-II

Gain Express Holdings Ltd. JEM-II

UPC 701936209795
💎 Reliable diamond selector: This diamond tester is unresponsive to imitation crystals and simulants like cubic zirconia and moissanite, making it the go-to choice for retail jewelers, pawn brokers, and chain stores. 💎 Advanced technology: Equipped with ultraviolet light for fluorescent reaction testing, multi-level volume calibration, and audible warning sounds when the probe touches a metal surface. 💎 Convenient features: Compact design, low battery consumption, and the option to use an A/C adaptor for extended indoor use. 💎 Accurate and precise: With a single button press, it can identify genuine "natural" diamonds and distinguish stones as small as 2pt. 💎 Complete set: Comes with a vinyl pouch, testing platform for loose stones, and a comprehensive instruction manual. Brand new and unused.

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