The Rarified World of the Rarest of Gems

September 16th, 2010 by James L. Sweaney, CGA, FGA. GG

Roskin Blues

Our old friend and former colleague at GIA, Gary Roskin, has published an absolutely fascinating account of a major event at the pinnacle of the gem world. Under the auspices of the Smithsonian Institute, the most famous of all gems, the Hope Diamond, was brought together for the first time with the Wittelsbach Blue, now known as the Wittelsbach-Graff diamond, for the purpose of research and comparison. Part 1 is featured in Gary’s “The Roskin Gem News Report” at this URL, Gary promises more to come in part 11. This is an outstanding read for those of you who love gems– don’t miss it!

We published a blog explaining some of the characteristics of blue diamonds in April 2009 when the 7.03 Cullinan Blue sold at auction for a world record price per carat for any gemstone, hammer price just under 10,000,000!

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