Gem Testers and Diamond Testers

Presidium Multi Tester III A light and portable tester that instantly identifies diamond and Moissanites based on their thermal and electrical prop...

Presidium DiamondMate A The Presidium Diamond Mate-A Diamond Tester utilizes proven thermal conductivity testing method to instantly verify authent...

The Presidium Diamond Mate-C utilizes proven thermal conductivitytesting method to instantly verify authenticity of diamonds.Same as DiamondMate-A,...

Presidium Synthetic Diamond Screener This tool identifies lab crown diamonds and cvd/hpht diamonds through measurement of UV absorption. This machi...

GemOro Pro M-3 Moissanite Tester features new advanced exclusive moissanite testing technology capable of identifying the widest range of the elect...

Presidium Moissanite Tester II is a 2nd generation Moissanite tester developed using the science of electrical conductivity. The specifics: Poc...

Adapter for Presidium Multi Tester III an optional AC/DC adapter for use with the Presidium Multi Tester III item # 56-719.

GemOro Pro D-3 Diamond & White Sapphire Tester Identifies, detects and separates Diamond and Moissanite from CZ and White sapphires. This teste...

Adamas Diamond and Moissanite Tester the world's first diamond and moissanite tester with interchangeable and micro prob tips by Presidium. This te...

Presidium Dial Gauge this Gem Tester is an enhanced version of the traditional Leveridge gauge. Featuring color coded, dual measurements in millime...