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 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...

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...

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