Presidium GEM Indicator PGI Colored Gemstone Diamond Tester NEW - Denmark

Presidium Gem Indicator (PGI), Gem Tester

Presidium Multi Tester III (PMuT III) All-in-One Norway

Presidium Gem Indicator (PGI) – Mehta tools

Presidium Instruments Gem Tester II (PGT II) Now with

INDUSTRIES MOST TRUSTED | The only handheld tester specifically for colored gemstones; Quick results in less than 6 seconds. THINNEST RETRACTABLE

Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones

Presidium Duo Tester PDT Diamond Gemstone Tester Norway

Presidium Instruments Gem Tester II (PGT II) with India

Colors Gemstone Tester PRESIDIUM Gem indicator PGI

Gemstone 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

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

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