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The De Beers Cullinan Blue diamond is the 'largest internally flawless step cut vivid blue diamond' to be appraised by the Gemological Institute of America. It's selling in April.
The more than 15-carat De Beers Cullinan Blue diamond was mined in 2021 at South Africa's Cullinan mine.
NEW YORK (Reuters) - It's the largest and most valuable blue diamond to ever come to auction. And, it's a recent discovery. The more than 15-carat De ...
NEW YORK (Reuters) - It's the largest and most valuable blue diamond to ever come to auction. And, it's a recent discovery. The more than 15-carat De ...
NEW YORK (Reuters) - It's the largest and most valuable blue diamond to ever come to auction. And, it's a recent discovery. The more than 15-carat De ...