Petra Diamonds has announced that it has recovered a very rare 39.34 carat Type IIb blue diamond of exceptional quality in terms of both its colour and clarity at the Cullinan mine in South Africa.
The Cullian mine is located at the foothills of the Magaliesberg mountain range, 37 kilometres north-east of Pretoria in South Africa. It is among the world’s most celebrated diamond mines.
The Cullinan Mine is renowned as a source of large, high-quality gem diamonds, including Type II stones, as well as being the world’s most important source of very rare blue diamonds.
Other gem diamonds produced from the Cullinan Mine include:
- the Premier Rose (353 carats rough);
- the Niarchos (426 carats rough);
- the De Beers Centenary (599 carats rough);
- the Golden Jubilee (755 carats rough); and
- the Taylor-Burton diamond (69 carats polished).
More recently, remarkable diamonds recovered by Petra at the Cullinan Mine include:
- the Cullinan Heritage (507 carats rough white diamond), sold for US$35.3 million in 2010;
- the Blue Moon of Josephine (29 carats rough blue diamond), sold for US$25.6 million in 2014;
- the Cullinan Dream (122 carats rough blue diamond), sold for US$25.3 million in 2016; and
- the Legacy of the Cullinan Diamond Mine (424 carats rough white diamond), sold for just under US$15 million in May 2019.
- a magnificent 20.08 carat Type IIb blue diamond sold for US$14.9 million (US$741,000 per carat) in November 2019.
- The Letlapa Tala Collection of five blue diamonds, weighing 85.6 carats in total, sold as a suite of stones for US$40.36 million in November 2020.
- An exceptional 299.3 carat Type IIa white gem quality diamond recovered at the mine in January 2021 and sold for US$12.18 million in March 2021.
Other mines owned by Petra diamonds incude: Finsch mine, South Africa’s second largest diamond operation by production, Koffiefontein also located in South Africa and Wiliamson mine, Tanzania’s only important diamond producer.
Image courtesy: Petra Diamonds