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 Indicator PGI PRESIDIUM DIAMOND & GEMSTONE TESTERS - Jeweler's Tools, Supplies & Watch Batteries by Star Struck

List of Presidium Colored Gemstone Testers. Find out More!

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 Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Presidium: Arts, Crafts & Sewing

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

Gem testers

Probe Tip for use with Presidium® Gem Tester

INCLUDED ASSISTED THERMAL CALIBRATION | Now easily self calibrate your device to your testing environment INDUSTRIES MOST TRUSTED | Gemstone tester

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones

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

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