Gem Testers and Diamond Testers

The Presidium Gem Tester II (PGTII) provides users with a quick and easy way to identify diamonds/moissanites and separate up to 15 common coloured...

GemOro Ultratester 3+ Diamond & Moissanite Tester is the newest 3rd generation tester design is even sleeker and more ergonomic and they have e...

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...

Presidium Refractive Index Meter II a light and portable instrument that identifies diamonds, moissanites, and coloured gemstones based on their Re...

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

GemOro Testerossa Diamond & Moissanite Tester identifies, detects and separates diamond from CZ moissanite and white sapphire. It features a sl...

Presidium Gem Indicator is the only handheld tester in the industry specifically for coloured gemstones. It indicates up to 31 different types of c...

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 A Source Diamond/Moissanite Multi Tester Basic economy dual diamond & Moissanite tester. Uses separate thermal & electrical condu...

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.

Presidium Gold Karat Tester Kit is super user friendly! it was developed by presdium to estimate the purity of gold alloys in the unit of Karat (fr...

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...