Por un escritor de hombre misterioso
Black 555.55-carat diamond dubbed 'The Enigma' sells for £3.1 million at auction
The Enigma: Mysterious black diamond up for auction
The Second-Biggest Diamond in History Has a New Owner - The New York Times
Rare diamond, blasted from outer space, could fetch $6.8M
This huge black diamond just sold for $4.3 million. No one knows where it came from.
The Enigma: 555.55 Carat Fancy Black Diamond
The Enigma: Billion-year-old black diamond sold for £3.16m
A Bluefin Tuna Just Sold for $275,000 at Tokyo's Fish Market Auction – Robb Report
A 555-Carat Black Diamond Is Going Up for Auction. Did It Really Come From Space?
The Enigma: 555.55 Carat Fancy Black Diamond
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