Testing created frosted #quartz with my Presidium Gem Tester II. The results may surprise you. #presidium #semipreciousgemstones #presidiumgemtester, By Gentle Angel Treasures

Testing created frosted #quartz with my Presidium Gem Tester II. The results may surprise you. #presidium #semipreciousgemstones #presidiumgemtester

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

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Testing created frosted #quartz with my Presidium Gem Tester II. The results may surprise you. #presidium #semipreciousgemstones #presidiumgemtester, By Gentle Angel Treasures

Presidium Gem Tester II Color Diamond Tester

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Presidium: 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

Presidium Gem Tester II PGT II Diamonds/Moissanites and Colored Gemsto – Best Jewelry Supply

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

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Product Review Of The Presidium Gem Tester II — Antiques Arena