testing if a “gemstone” is REAL (presidium gem tester 2) review

Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone Industrys thinnest probe tip (0.6mm) for testing

Presidium Duo Tester PDT Diamond Gemstone Tester

testing if a “gemstone” is REAL (presidium gem tester 2) review

testing if a “gemstone” is REAL (presidium gem tester 2) review

The industry’s most trusted colored gemstone tester is now redesigned to be more compact, sturdy and portable. In its second generation, the Presidium

NEW PRESIDIUM PGT II Gem Tester Colored Stones and Diamond Moissanite

Colored Gemstones Tester Accurate Result Presidium Gem Indicator

Presidium Gem Tester II Review and how to use it testing stones at

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

Colored Gemstones Tester Accurate Result Presidium Gem Indicator PGI

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

testing if a “gemstone” is REAL (presidium gem tester 2) review