Petra Diamonds announced the discovery of one of the largest blue diamonds ever found ‒ weighing in at 122.53 carats.
Petra owns the Cullinan Mine in South Africa, an historic 111-year-old mine from which some of the most famous diamonds in history have been unearthed.
According to GIA, the mine has produced more than 750 diamonds larger than 100 cts. and a number of renowned fancy colored diamonds, including the Heart of Eternity, a 27 ct. Fancy Vivid blue that was part of De Beers’ Millennial collection.
The Cullinan Diamond was the largest gem-quality diamond ever found in it’s day, it weighed 3106 carats, or about 1 1/3 pounds. Named after Sir Thomas Cullinan, the mine owner who happened to be visiting on that eventful day.
The nine larger stones of the Cullinan diamond remain either in the British Crown Jewels or in the personal possession of the Royal Family.
The Cullinan I - aka the Star of Africa is set in the Royal Sceptre it can be removed and worn as a pin or pendant. The Star of Africa weighs in at a whopping 530.20 carats
The Cullinan II is the massive 317.40 carat cushion shaped diamond in the center-front of the Imperial State Crown of Great Britain.
Petra acquired the Cullinan Mine from De Beers in 2008.