555 Carat Black Diamond, Largest Cut Stone Ever to be Auctioned

It’s not often you have a chance to own a Guinness World
Records diamond
, considered the largest cut in the world at one point (as
also reported by Gübelin and the GIA). But now, The Enigma, a carbonado
or black diamond weighing 555.55 carats with exactly 55 facets, is making
its public and open market debut in a Sotheby’s London auction (Feb. 3–9).

“This diamond is a true natural phenomenon. Much more than a jewel, it is
a unique and precious object of curiosity,” says Nikita Binani, Sotheby’s
London deputy director and jewellery specialist, in a statement. “This
diamond has been treasured for over two decades by the owner, and the
diamond itself has never been exhibited publicly or offered on the open
market, so we are thrilled to have the opportunity to tell its story to the
world. Its sale represents a once-in-a-lifetime opportunity to acquire one of
the rarest, billion-year-old cosmic wonders known to humankind.”
The stone’s origins are mysterious. It’s thought that a meteoric impact or a
diamond-bearing asteroid that collided with Earth created The Enigma,
making it one of the toughest diamonds in existence, according to

And while a marvel to look at, with its delicate cut and precise polish
indicating high-level skill, the black diamond isn’t just for show. Shaped
after the Middle Eastern hamsa symbol, the piece represents protection,
fortune, and strength. The symbol is also associated with the number five,
playing on the figures of the stone’s weight and facets.
Currently in Dubai, United Arab Emirates, the diamond will travel to Los
Angeles (Jan. 24–26) and then to London ahead of the single-lot online
auction. It will be offered without reserve, with purchase accepted in
cryptocurrency. “This is the first time we are introducing our cryptocurrency
offering in the UAE, a move that is in line with the government’s own
commitment to exploring new digital, technological, and scientific
advances,” says Katia Nounou Boueiz, head of Sotheby’s UAE.

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