Billion-year-old black diamond bought with cryptocurrency for $4.3m
Interstellar Enigma diamond sold for $4.5M in crypto
Photos: 'The Enigma' 555.55-carat black diamond – Boston 25 News
Black 555.55-carat diamond dubbed 'The Enigma' sells for £3.1 million at auction
Enigma Black Diamond Sells For $4.3 Million At Auction
A rare space diamond went to auction. The winner paid for it with
The Enigma: 555.55 Carat Fancy Black Diamond
Mystery black diamond called 'The Enigma' goes up for auction
Enigma: rare 555-carat black diamond unveiled in Dubai thought to
The Enigma,' a 555-Carat Black Diamond, Could Sell for $6M at
Mystery black diamond called 'The Enigma' goes up for auction
World's largest black fancy diamond goes on auction in UK
World's largest known cut diamond 'The Enigma' goes up for auction