Gem Tester(PGT)

SKU: PGT Category:


A light and portable desktop instrument that instantly identifies diamonds and estimates type of colored gemstone (from a range of 15 types), based on their thermal properties.


Out of stock

Product Description

Product Description

The Presidium Gem Tester / Colored Stone Estimator provides a quick and easy way to identify diamonds and separate common colored gemstones from one another based on their thermal conductivity. Coated gemstones can also be generally tested with the PGT/CSE.

It features the signature Presidium retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results.

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Additional Information

Does not differentiate between natural and synthetic colored gemstones.

Product comes with 1-year warranty.

Can be powered by 2 AA batteries or through its USB port connected to external power source.