Presidium Gem Tester (PGT) - Performing A Test & Reading

Share your videos with friends, family, and the world

Presidium PRIM II Refractive Index Meter for sale online

Presidium Gem Indicator PGI Tester Checker for 31 Types of Gemstones - TD5612

Presidium Gem Tester/Colored Stone Estimator II, PGT II

Product Review Of The Presidium Gem Tester II — Antiques Arena

How to Perform a Thermal Test on Gemstones Using Presidium Duo Tester

Singapore Presidium Colored Gemstone Testers Duo PDT Refractometer Diamond Jewelry Appraisal Identification Instruments Tools

Presidium Instruments, Online Shop

PRESIDIUM GEM TESTER - PGT II-DIA-510.30

Presidium Gem Tester II! Everything you need to know - Review

Gem Tester II: Quick Diamond/Moissanite Identification & Colored Gemstone Separation

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

Gem Tester II (PGT II) Test Types of Natural Gemstones

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

DIAMOND TESTER Gem Tester II Plus Presidium

Black Presidium Gemstone Indicator at Rs 19500/piece in Jaipur