Presidium Gem Indicator (PGI), Gem Tester

The Presidium Gem Indicator is the Handheld Digital Diamond Gemstone Tester. This Colored Stone Estimator tests up to 31 different types of colored gemstones.

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

Gemstone & Diamond Testers - PMC Supplies

Presidium - UK

Handheld presidium gem tester +3x AAA batt (model PGI)

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

Discover the Groundbreaking Synthetic Ruby Identifier by Presidium

Presidium Gem Indicator (PGI) Performing a Test and Reading Results

PRESIDIUM Synthetic Diamond Screener SDS Separates Diamonds Type – Landa International

Presidium - Norway

NEW PRESIDIUM GEM Tester II Colored Stone tester and Diamond

Micro USB Cable Cord for Presidium GEM Indicator PGI and Adamas Diamond Tester