A new per-carat record price (US$3.6 million) for a diamond was established when Sotheby's sold a vivid 12.03-carat diamond dubbed "Blue Moon" in Geneva.
A rare, two-stone ring set a new record price per carat for a blue diamond at auction when it sold for $15.7 million to an Asian collector.
The ring features a 9.87 carat colorless triangular-shaped...
A rare 5.16-carat blue diamond sold at auction for $6.4 million in Hong Kong on Wednesday, confirming Asia's fast-growing taste for the precious stone.
London's famed Moussaieff Jewellers paid more than the $5.9 million expected...
The Hong Kong collector who bought Cullinan's blue diamond has named it the 'Star of Josephine', Petra Diamonds said on Tuesday.
The flawless cushion shaped diamond, weighing 7.03 carats was purchased by Hong Kong collector...
A flawless blue diamond weighing 7.03 carats has sold for a record 10.5 million Swiss francs ($9.49 million), the highest price paid per carat for any gemstone at auction, Sotheby's said.
The rectangular-shaped blue stone,...
This extraordinary blue-gray diamond (on the picture above) was given to Infanta Margarita Teresa by her father King Philip IV of Spain, on her engagement to her uncle Leopold I of Austria-one of the...
