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 Duo Tester PDT Diamond Gemstone Tester : Arts, Crafts & Sewing

Presidium Gem Indicator - YQ-103

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

Presidium Instruments Gem Tester II (PGT II) with Vietnam

SMARTPRO ® SPGE-I Gem Eye I Gem and Diamond Tester Smart Pro

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

Presidium Adamas Diamond and Moissanite Tester Authenticating Diamonds : Arts, Crafts & Sewing

Presidium Instruments Gem Tester II (PGT II) Now India

Presidium Gem Indicator (PGI)

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

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

Presidium Gem Indicator (PGI)

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

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