Sotheby’s Hong Kong will offer a 102.39-carat D-color flawless oval diamond in a single-lot combination online and live auction. It will be only the eighth D color internally flawless or flawless ...
Sotheby’s just made a major diamond sale and it was purchase by a bidder over the phone. The sale proves that, even in these turbulent times, collectors are still willing to shell out millions for ...
The Munsell Color Science Laboratory and the Program of Color Science unite to form one of the world‘s foremost color science research and education organizations. Our mission is to provide ...
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