Presidium Gem Tester/Colour Stone

The design of the Presidium Gem Tester is based upon the use of heat conductivity to distinguish diamond stimulants from diamonds. It incorporates a sophisticated thermoelectric probe and a thermometer which ensures reliable readings. The Presidium Gem Tester can be used on mounted or unmounted stones, which can be as small as 0.02 carat. Includes an AC adapter, a soft vinyl pouch, and a hard plastic case.

56.720

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