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 Electronic Refractive Index Meter II: Science Lab Refractometers: : Industrial & Scientific

A pocket-sized instrument that instantly verifies the authenticity of diamonds based on their thermal properties. The Presidium Diamond Mate Tester has a retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results. With the industry's thinnest probe tip size of 0.6mm, PDMT tests diamonds as small as 0.02ct.

Presidium Pdmt-a Diamond Mate Electronic Tester A

List of Presidium Colored Gemstone Testers. Find out More!

IMPORTANT TO NOTE: This product needs to be calibrated prior to use. If you experience issues with calibration, please reach out to the seller for

Presidium Multi Tester III (PMuT III) All-in-One Instrument for Testing Diamonds, Moissanites and Diamond Simulants

How to Calibrate Presidium Gem Tester ii (PGT II)

Presidium Multi Tester - YQ-230

Presidium Gem Tester II Colored Stones and Diamond Moissanite Tester

List of Presidium Diamond & Moissanite Testers. Find out More!

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

Presidium PDMT-A DiamondMate Diamond Tester

Discover the Groundbreaking Synthetic Ruby Identifier by Presidium

Presidium Electronic Gemstone Gauge Reliable Digital Measurement & Carat Conversion

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Presidium: Arts, Crafts & Sewing