GIA Identifies CVD Lab-Grown Diamond Subjected to Post-Growth HPHT Treatment

Quote from Industry News:
The 2020 Winter Editioin of GIA’s Quarterly Journal, “Gems Gemology” reports of the submissiion of a round brilliant-cut, VS2 clarity, M-color diamond weighing 7.01 carats for grading, which on examination turned out to be a CVD lab-grown diamiond, the largest such diamond submitted to the Carlsbad Laboratory for identification and grading. The diamond was […]