'Bleu Royal,' the biggest vivid blue diamond ever auctioned, sells for $44 million
The largest fancy vivid blue diamond to ever come to auction sold Tuesday for more than $44 million, far outstripping the pre-sale estimate, Christie’s said. The “Bleu Royal” — a ring featuring a fancy vivid blue pear-shaped diamond of 17.61 carats — was one of the standout pieces to go under the…
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