List of Presidium Colored Gemstone Testers. Find out More!

Choose From A Wide Array of Presidium Colored Gemstone Handheld & Desktop Digital Testers, With Instant Results.

Presidium Gem Tester II Colored Stones and Diamond Moissanite Tester

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

Gem testers

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

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

List of Presidium Colored Gemstone Testers. Find out More!

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

Presidium Duo Tester II Assisted Thermal Calibration & Comprehensive Gemstone Testing

Presidium Replacement Probe Pen PS2-2 for Presidium Gem Tester II (PGT II) and Presidium Duo Tester II (PDT II) : Arts, Crafts & Sewing