
The rare stone was discovered at its Cullinan mine, 40 kilometres north-east of Pretoria, and represents one of the most exceptional stones recovered at Cullinan during Petra's operation of the mine. Indeed it isn’t the first of its kind, what with the company having also unearthed a 25.5 carat blue diamond in 2013, which went on to sell for $16.9 million. Understandably the company’s latest discovery is also expected to sell for a substantial price.



Exarro-Africa-Mining-Feb14-Bro-s.pdf



