Presidium Gem Tester II (PGT II) for Identifying Diamonds/Moissanites and Up To 16 Common Colored Gemstones

Presidium Synthetic Diamond Screener II

Presidium Gem Indicator (PGI) Gem Tester

Presidium Moissanite Tester (PMT II)

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

Gemlogis Belize Synthetic Diamond Segregator

Gemlogis Bleu LCD Colorstone Meter

SAM by Presidium, Diamond Tester and Identify a Wider Range of Moissanites

PRESIDIUM PDMT-A DIAMONDMATE-A TESTER A Battery Operated

PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER RECHARGEABLE BATTERY

Presidium Adamas Diamond And Moissanite Tester | World’s First Tester With Replaceable Micro Probe Tip | For Authenticating Diamonds With Included AC Adapter

Presidium ARI by Presidium All-In-One Handheld Instrument for Testing Colorless Diamond Against CVD/HPHT Lab Grown Colorless Diamond and all types of Moissanite

Diamondite Tester w/ Power Cord Adaptor

Diamondite Dual Tester

Mizar Diamond Tester

Diamond Detective

Diamond Gemlight