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 Post subject: Identifying Lab-Grown Diamonds
PostPosted: Wed Aug 06, 2014 9:46 pm 
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Joined: Sun Oct 16, 2005 12:22 pm
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Location: San Francisco
GIA wrote:
The various means of distinguishing colorless and colored synthetic gem-quality diamonds from natural diamonds is well documented in research results published over the past 30 years. This distinction can sometimes be made by a gemologist, however positive identification of synthetic diamonds requires examination in a fully equipped gem-testing laboratory with experienced staff.

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 Post subject: Re: Identifying Lab-Grown Diamonds
PostPosted: Mon Sep 01, 2014 3:25 pm 
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Joined: Sat Sep 15, 2012 10:37 pm
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Location: Oakland CA
You would have enjoyed Jim Shigley's AGA Vegas conference presentation on lab grown diamonds Barbra! I've invited him to speak to our alumni chapter next year.


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