The 15-Carat 'De Beers Blue' Diamond Fetches $57.4 Million

15.1-carat Cullinan Blue expected to break record-sale history - Jeweller Magazine: Jewellery News and Trends

Extremely' rare 15-carat blue diamond sells at auction for almost $60 million

Under the hammer: Ronald Abram Auction Results

DE BEERS BLUE SOLD FOR $57.4 MILLION, BUT FALLS JUST SHORT OF BREAKING RECORD

Robert Kameron Hines on LinkedIn: Sotheby's Has Revealed 'The Infinite Blue' Diamond

Rare 15-Carat Blue Diamond Sells For $57.5 Million—Barely Under World Record

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Forbes on LinkedIn: The 15-Carat 'De Beers Blue' Diamond Fetches $57.4 Million

303-Carat 'Golden Canary' Diamond Could Fetch $15 Million At Sotheby's

303-Carat 'Golden Canary' Diamond Could Fetch $15 Million At Sotheby's

Under the hammer: Ronald Abram Auction Results

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DE BEERS BLUE SOLD FOR $57.4 MILLION, BUT FALLS JUST SHORT OF BREAKING RECORD

Extremely' rare 15-carat blue diamond sells at auction for almost $60 million

Diacore Diamonds