Your browser is no longer supported. For the best experience of this website, please upgrade to a newer version or another browser.

Your browser appears to have cookies disabled. For the best experience of this website, please enable cookies in your browser

We'll assume we have your consent to use cookies, for example so you won't need to log in each time you visit our site.
Learn more

sds ii 6 hi res

Presidium diamond testing device receives DPA endorsement

Presidium, a manufacturer of diamond and gemstone testing devices, has been awarded the coveted ASSURE Tested Certification Mark by the Diamond Producers Association (DPA).