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

Sotheby's Is Auctioning A 555 Carat Black Diamond From Outer Space

Billion-year-old black diamond bought with cryptocurrency for $4.3m

Enigma Black Diamond: 555.55-Carat Gem Likely from Outer Space Now for Sale

The Enigma Black Diamond A Rare Cosmic Wonder

From outer space? 555.55-carat black diamond 'The Enigma' set for auction

555 carat 'Space Diamond' Sells for $4.3 Million - IGI

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

Black diamond going on sale

Extremely rare 555.55-carat black diamond, 'The Enigma', to be auctioned