Tag Archives: large diamonds

1109-carat diamond expected to sell for $70 million-plus

A tennis ball-size rough diamond will go on the auction block as a standalone sale in London next month. Sotheby’s says the 1109-carat ‘Lesedi la Rona,’ which is the largest gem-quality rough diamond to be discovered in more than a century and the largest rough diamond in existence today, is expected to fetch over $70 million U.S.

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