Singapore PRESIDIUM Gem Tester II, testing 16 kinds of gems

Singapore PRESIDIUM Gem Tester II, testing 16 kinds of gems

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

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Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal

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Guide on How to Calibrate Presidium Gem Tester

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Is it a Diamond? Ruby or Garnet? Sapphire or Tanzanite? Emerald or Jadeite? The PRESIDIUM GEM TESTER PROVIDES THE ANSWERS!!! The Presidium Gem Tester

Presidium Gem Tester/Colored Stone Estimator II

How to Perform a Test Using the Presidium Gem Indicator (PGI

Presidium Instruments

PRESIDIUM Singapore original imported gem tester / gem testing