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Tuesday, June 04, 2019

The Gem Lab That Refuses To Grade Synthetics

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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