The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...
"The Mediterranean Blue" will be auctioned by Sotheby’s this Spring in Geneva with a classification representing less than ...
From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that ...
“Any vivid blue diamond is a discovery worth celebrating, but one of this size and depth of color is a rare event,” said Quig Bruning, Sotheby’s Head of Jewelry for the Americas & EMEA.