Presidium Gem Tester II (PGT II) - Testing Ruby, Diamond, Sapphire

Share your videos with friends, family and the world

INCLUDED ASSISTED THERMAL CALIBRATION | Now easily self calibrate your device to your testing environment INDUSTRIES MOST TRUSTED | Gemstone tester

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones

Presidium Gem Tester II (PGT II)

Presidium Duo Tester II Assisted Thermal Calibration

Testing Jewelry with the Presidium Gem Tester II

Dani Admasu

Gem Tester II (PGT II) Test Types of Natural Gemstones

Presidium Instruments Gem Tester II (PGT II) with

Let's Test Gemstones! Presidium Gem Tester II (PGT II) - Testing

Presidium Gem Tester II! Everything you need to know - Review

Presidium Gem Tester II (PGT II)

What Is Peridot - Gemstone Facts and Information