The French Gemological Laboratory must have its own reasons why they don't want to grade man-made diamonds.
Useful link:
https://www.diamonds.net/News/NewsItem.aspx?ArticleID=63682&ArticleTitle=The%2bGem%2bLab%2bThat%2bRefuses%2bto%2bGrade%2bSynthetics
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Showing posts with label The French Gemmological Laboratory. Show all posts
Showing posts with label The French Gemmological Laboratory. Show all posts
Tuesday, June 04, 2019
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