New Mineral Named After GIA’s John Koivula
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PostPosted: Wed Nov 07, 2007 3:57 pm 
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Thanks n00b...I finally figured out how to make the picture small enough. :wink:

Yes it was Jean Schlumberger. George Kunz was also Tiffany's first Gemologist.

Was anyone able to find the answer about tiffany diamond standards?


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PostPosted: Wed Nov 21, 2007 5:27 am 
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I think I read it somewhere, years ago.

Tiffany uses VS1 and above, G and above. Is that correct?

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PostPosted: Wed Nov 21, 2007 6:17 am 
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I/VS2 is given as lower limit for engagement ring diamonds from Tiffany.

I think G /VS1 applies to Cartier...


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PostPosted: Wed Nov 21, 2007 6:52 am 
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I/VS2 is correct. Also, we require at least a "very good" cut (including proportions).


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