Petra Diamonds
The Cullinan mine continues to produce large stones. The Cullinan Heritage, a white diamond, was discovered in September 2009. This stone was the 19th biggest uncut diamond ever found and was sold in February 2010 to Chow Tai Fook Jewellery for $35.5m, the highest price ever paid for an uncut diamond. The previous record was held by Gem Diamonds' Leseli La Letšeng, which was bought for $18.4m by Graff Diamonds in December 2008.
Alexander Malcolm Jacob
He is best known for having sold the Jacob Diamond, which is the seventh largest diamond known in the world (previously known as the Victoria Diamond, Imperial Diamond, or Great White Diamond). It was owned by the Nizam of Hyderabad and is currently owned by the Government of India.