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

Presidium Gem Tester II (PGT II) - Testing Emerald, Diamond, Sapphire, Ruby, Nephrite - I finally got a Presidium Gem Tester II. I'll unbox it and show how

Gemstone Testing Machine Black Presidium Gem Tester Pgt-2, For Commercial, Size: Compact at Rs 22500 in New Delhi

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Presidium: Arts, Crafts & Sewing

How to Calibrate Presidium Gem Tester ii (PGT II)

SMARTPRO GEM EYE I ( GEM TESTER )

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

Presidium Instruments Gem Tester II (PGT II) with

How To Calabrate The Presidium Gem Tester II Fast

How to Operate Presidium Multi Tester III Diamond/Gem

Presidium Gem Tester II (PGT II) - Performing a test and Reading Results