Presidium Gem Tester II (PGT II) - Performing a test and Reading Results
1:12
YouTubePresidium Instruments
Presidium Gem Tester II (PGT II) - Performing a test and Reading Results
The industry’s most trusted colored gemstone tester is now redesigned to be more compact, sturdy and portable. In it’s second generation, the Presidium Gem Tester II provides a quick and easy way to identify diamonds/moissanites and separates up to 16 common colored gemstones based on their thermal conductivity with its clear and direct ...
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