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- Aug 15, 2000
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"PART 3 OF 5 IN THE SERIES: VALUE FACTORS, DESIGN, AND CUT QUALITY OF COLORED GEMSTONES (NON-DIAMOND)"
It has relevance to diamonds too IMHO
https://www.gia.edu/gia-news-resear...Xek1nQXN3N0lZc1VFY3M4ckZrRzlCcGFOTENKYVE9PSJ9
It has relevance to diamonds too IMHO
https://www.gia.edu/gia-news-resear...Xek1nQXN3N0lZc1VFY3M4ckZrRzlCcGFOTENKYVE9PSJ9