SYNTHETIC DIAMOND TESTER - PRESIDUM SDS II NEW ARRIVAL Chronicled with page upon page

Chronicled with page upon page of stunning photographs and illustrations

this comprehensive guide provides proven formulas to estimate the weights of 75 different gemstone shapes across all varieties

they have the same crystal structure and chemical formula as natural diamonds i

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SYNTHETIC DIAMOND TESTER - PRESIDUM SDS II NEW ARRIVAL Chronicled with page upon pagePRESIDIUM SYNTHETIC DIAMOND SCREENER Identifies synthetic loose and mounted diamonds through its low UV absorption The Synthetic Diamond Screener is developed to help screen out synthetic Type lla colorless diamonds, which are likely to be synthetic and created through chemical vapor deposition (CVD) or high pressure high temperature (HPHT) syntheses, from natural type Ia colorless diamonds. When subjected to this deep UV irradiation, type Ia and type