Used Presidium GIA Gem Diamond Jewel Tester With Manual~Working Condition

This is a pre-owned Presidium GIA Gem Diamond Jewel Tester. It works with batteries or electric.

Presidium Duo Tester PDT Diamond Gemstone Tester : Arts, Crafts & Sewing

Presidium Gem Tester II (pgt II)

This is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond tests. An excellent tool kit for the diamond tester, suitable for handling any exposed or inlaid diamonds and gems, as well as other jewelry and precious metal items. The diamond detector with voice instructions and audible sounds are emitted when the lights are on so that you can easily distinguish between masonry and stone.

Dupeakya Professional Diamond Selector II, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone, Black

Used Presidium GIA Gem Diamond Jewel Tester With Manual~Working Condition

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GIA Gem DIAMOND MASTER TESTER USED WORKING CONDITION

Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone Industrys thinnest probe tip (0.6mm) for testing

Presidium Duo Tester PDT Diamond Gemstone Tester

Professional 2pt Jewel Stone Combo Tester Kit for Diamond, Moissanite, Metal and Gemstone Selection - High Accuracy Jeweler Test Meter Device for Novice and Expert : Arts, Crafts & Sewing

Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Arts, Crafts & Sewing

Professional High Accuracy Diamond Tester 2 / 3 Gemstone Gem Selector Jewelry Watcher Tool LED Diamond Indicator