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Petra Blue

Apr 17th, 2013

Petra Blue

Petra Blue Small
Petra Diamonds Limited announced the recovery of a 25.5 carat blue diamond at the Cullinan mine in South Africa. The stone is considered to be a high quality gem diamond of top colour.

Blue diamonds are among the rarest and most highly coveted of all diamonds and the Cullinan mine is the most important source of blues in the world. Since Petra acquired the mine, it has produced a number of blue diamonds, including a 26.6 carat rough stone which yielded a fancy vivid blue and internally flawless 7.0 carat polished stone. This important and rare diamond sold for US$9.49 million (or US$1.35 million per carat) at a Sotheby’s auction in May 2009, being at the time the highest price per carat for any gemstone sold at auction and the highest price for a fancy vivid blue diamond sold at auction. It was subsequently named the ‘Star of Josephine’ by its new owner.

Source:

Petra Diamonds

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