The Enigma: Billion-year-old black diamond sold for £3.16m

Auctioneer Sotheby's said that the buyer used cryptocurrency to make the purchase.
Auctioneer Sotheby's said that the buyer used cryptocurrency to make the purchase.

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The Enigma: Billion-year-old black diamond sold for £3.16m

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Billion-year-old black diamond The Enigma sold for £3.16m - The Caribbean Alert