Rare black diamond from 'outer space' goes on sale and can be bought with cryptocurrency

‘The Enigma’ is a 555.55-carat diamond, heavier than both the Great Star of Africa and the Golden Jubilee

Black diamonds: Earth's toughest mystic jewel from outer space

Enigma Black Diamond Sells For $4.3 Million At Auction

Mystery buyer spends $12.3M on a 101-carat diamond – and pays in cryptocurrency

A 555.55 Carat Black Diamond Believed to Be From Outer Space Is Going Up for Auction

Black diamond known as 'The Enigma' goes to auction - BBC Newsround

This 556-Carat Black Diamond Could Fetch Up to $6.8 Million at Auction – Robb Report

The Black Diamond Called 'The Enigma

MASSIVE BLACK DIAMOND TO BE SOLD BY SOTHEBY'S AT SINGLE-LOT, CRYPTOCURRENCY ONLINE AUCTION

Out of This World: 555.55-Carat Black Diamond Lands in Dubai - The Paper.

Once-in-a-lifetime' black diamond will appear in Sotheby's auction

Rare black diamond, The Enigma, set to be sold in online auction

555-Carat Black Diamond Can Be Bought at Auction With Cryptocurrency

Rare diamond, blasted from outer space, could fetch $6.8M