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.

Mystery black diamond called 'The Enigma' goes up for auction

Black diamond said to come from space could fetch $6.8m

The Enigma: Mysterious black diamond up for auction - BBC News

A Billion-Year-Old Black Space Diamond Is Going on Sale - Nerdist

Mystery black diamond called 'The Enigma' goes up for auction

Billion-year-old world' s largest black diamond sold for £3.16m

The Enigma' - a 555.55 carat Fancy Black Diamond

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

A 555.55-carat black diamond believed to come from space is going

Enigma Black Diamond Sells For $4.3 Million At Auction

The Enigma,' a 555-Carat Black Diamond, Could Sell for $6M at

A 555.55-carat black diamond believed to come from space is going

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

The Enigma Black Diamond A Rare Cosmic Wonder