Gain Express JEM-II Diamond Tester with Ultraviolet (UV) Light

This diamond selector remains unresponsive to materials like imitation crystals, or simulants like cubic zirconia, moissanite, and lab-grown diamonds, upon contact with 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.

This diamond selector remains unresponsive to materials like imitation crystals, or simulants like cubic zirconia, moissanite, and lab-grown diamonds, upon contact with 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.

Gain Express JEM-II Diamond Tester with Ultraviolet (UV) Light

Sensitive Silicon Nanowire Ultraviolet B Photodetector Induced by Leakage Mode Resonances

4.06 Ct. Alexandrite Mined in Madagascar Certified by GRS & IGI Cushion, 10.14 X 7.93 X 5.56 Mm Natural, Untreated Eye-clean

High performance diamond-based solar-blind photodetectors enabled

JEM-II Gain Express Diamond Identifier Tester Gemstone Jeweller's

GAIN EXPRESS Handheld DIAMOND TESTER with UV Ultraviolet Light, Mounted Jewelry Loose Stone Gemstone 2pt Jewel Stone Tool Selector For Novice and Expert, No Calibration Needed : : Business, Industry & Science

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Pro Diamond Moissanite Tester 2pt Jewel Stone Factory Calibrated – Gain Express

Diamond Tester Pen + 60X Led Magnifying + Ring Size Ghana