In the southwest corner of the Bayon Temple, over 400 stones out of nearly 2,000 have been identified, with known original locations, while the rest await thorough identification of their origins, ...
GCAL By Sarine's proprietary; radically rigorous 8X Ultimate Diamond Cut Grading standards assess round, marquise, pear, princess, oval and radiant cut diamonds. According to Avi Levy, New York-based ...
Pakistan Gems and Jewellery Development Company (PGJDC) has organised a training course on gemstone identification at its Gem Exchange at Namak Mandi, Peshawar. Ilyas Ali Shah, a PGJDC geologist, is ...
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