The largest black diamond sold at auction for 3.7 million

(ANSA) - LONDON, February 9 - The largest diamond neronaturale the world was auctioned at Sotheby's Alondra for 3.16 million pounds (3.75 million euro).

Sichiama Enigma and has a weight of 555.55 carats (111.11 grams), boasts extraordinary prizes like certificazioneufficiale of the world's largest natural black diamond and didiamante largest cut in the world for Guinness deiprimati.

    As emphasized in the auction house, unlike diamanticlassici which are extracted from the bowels of the earth, quellineri are better surface evoking "possibiliorigini extraterrestrials."

These gems usually have a3,2 2.6 billion years, a period prior to that deidinosauri.

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