Brian Kleinhofer

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Let's Not Confuse The Issue

Over the holiday weekend, I received an email from Antoinette Matlins, a professional gemologist and author. She was concerned about an article that appeared on JCKOnline, and how the author (not a JCK staff member, I’m happy to say!) wrongly defines a diamond simulant. Here is what Matlins wrote to me, reprinted with her permission. In today's issue of JCK online, there is a link... More