Presidium Gem Indicator (PGI) Gem Tester, 54-1144

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

The Presidium Gem Indicator, the only handheld tester in the industry specifically for colored gemstones, indicates up to 31 different types of

Presidium Gem Indicator

Discover the Presidium Gem Indicator Handheld Digital Tester for 31 Gemstone Types

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

Presidium GEM Indicator PGI Colored Gemstone Diamond Tester NEW

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 Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones : Arts, Crafts & Sewing

The Presidium Gem Indicator (PGI) is the only hand held tester in the industry specifically for colored gemstones. It indicates up to 31 different

Presidium PGI Gem Indicator

Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones : Arts, Crafts & Sewing

Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones : Arts, Crafts & Sewing

PRESIDIUM Gem Indicator (PGI) Colored Gemstone Tester