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.

Billion-year-old, 555-carat Enigma diamond with 55 sides sold to

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

Enigma Black Diamond Sells For $4.3 Million At Auction

The Enigma Black Diamond, A Rare Cosmic Wonder

The Enigma' - a 555.55 carat Fancy Black Diamond

Billion-year-old, 555-carat Enigma diamond with 55 sides sold to

2.44亿美元！加州大学为性丑闻支付和解金！加拿大抗议活动持续，特鲁多

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

The Enigma' - a 555.55 carat Fancy Black Diamond