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

The Enigma black diamond is a 555.5-carat gem, probably from space, being displayed and auctioned for the first time. Find out more about the record-breaking black space diamond!

What is a Carat And Is It Related To Karat

Black diamond that formed more than 2.6 billion years ago goes on display for the first time

Mysterious 'Enigma' black diamond goes up for auction

Sotheby's to auction 555.55-carat “extraterrestrial” black diamond - Jeweller Magazine: Jewellery News and Trends

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

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

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

Extremely Rare 555.55 Carat Black Diamond To Be Auctioned Off

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

The Enigma: Mysterious black diamond up for auction