SYNTHETIC DIAMOND TESTER - PRESIDIUM - SDS Files Dureté 10 est souvent qualifié

Dureté 10 est souvent qualifié de "bible du diamant"

and diamond dealers who require precise readings

- Large dual displays / single display with blue backlit

The extra 1000 pages cover topics such as the discovery and polishing of new major stones such as the Oppenheimer blue

CVD Synthetic Diamond

SYNTHETIC DIAMOND TESTER - PRESIDIUM - SDS Files Dureté 10 est souvent qualifiéPRESIDIUM 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