The Jewelry Insider

September 29, 2009

And you thought Khloe Kardashian’s 9-carat diamond was big? How about a 507-carat rock the size of a chicken egg?

Mining group, Petra Diamonds, just announced the discovery of a 507-carat stone at their famous Cullinan mine, where the largest diamond in history was found more than 100 years ago.

The stone could be worth in excess of $20 million and is currently being analyzed by experts to determine its true value.

“The Cullinan mine has again given the world a spectacularly beautiful and important diamond,” said Petra’s chief executive Johan Dippenaar in a statement. “Initial indications are that it is of exceptional color and clarity, which suggest extraordinary potential for its polished yield.”

Petra said the stone is one of the 20 biggest, high quality diamonds to have been found. A 168-carat stone was also discovered, alongside one of 58 carats and another of 53 carats.

That’s quite a haul!

Learn more about how the experts turn rough diamonds into glittering diamond jewelry in our Diamond Education Section.

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