Presidium Multi Tester III (PMuT III) All-in-One Instrument for Testing Diamonds, Moissanites and Diamond Simulants in Dubai - UAE
ARI by Presidium Tutorial Video - Insert Probe Tip and Calibration
Gem Tester II: Quick Diamond/Moissanite Identification & Colored Gemstone Separation
Did I REALLY Find Diamonds at the Car Boot Sale? Diamond Selector
Powering On the Presidium Gem Indicator (PGI) Using Batteries
Presidium Gem Tester II (PGT II) - Functionality Check
Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Presidium: Arts, Crafts & Sewing
Presidium Duo Tester II (PDT II) - Functionality Check
praesidium ELECTRONIC GEM GEMSTONE DIAMOND TESTER PGT
Adamas by Presidium - Replacing Probe Tip
HOW TO Calibrate the Presidium Gem Tester II
What the Presidium Gem Tester ll Test for. Gemstone Color
Presidium Gem Tester II - Assisted Thermal Calibration (For #PTG111425 and after)