Presidium Synthetic Diamond Tester

A portable desktop diamond tester by Presidium to help screen out Type IIa colorless diamonds (usually CVD/HPHT laboratory-grown synthetic diamonds) - Shop Now!

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The PRESIDIUM ARI is developed as a handheld Diamond Verification Instrument ® to help identify colourless diamond against CVD/HPHT lab grown

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The industry is praising Presidium's quality testing devices