Showing posts with label Hope diamond. Show all posts
Showing posts with label Hope diamond. Show all posts
Wednesday, February 23, 2011
An Afternoon with the Hope and Wittelsbach-Graff Diamonds
Gary Roskin's "Evening with the Blues" presentation at AGTA GemFair
Gary Roskin, one of the world’s leading gemologists as well as a longtime educator and writer, was one of 10 gem experts who examined and photographed the Hope and Wittelsbach-Graff diamonds—the most famous blue diamonds in the world—to determine whether their origins were the same.
The event took place Jan. 21, 2010, inside
An Afternoon with the Hope and Wittelsbach-Graff Diamonds
Gary Roskin's "Evening with the Blues" presentation at AGTA GemFair
Gary Roskin, one of the world’s leading gemologists as well as a longtime educator and writer, was one of 10 gem experts who examined and photographed the Hope and Wittelsbach-Graff diamonds—the most famous blue diamonds in the world—to determine whether their origins were the same.
The event took place Jan. 21, 2010, inside
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