507 carat diamond – one of world’s largest diamond found in South Africa

507 carat diamond Cullinan diamond

507 carat diamond which is one of the world’s largest diamond is found in South Africa Cullinan mine. Petra Diamonds announced the find of massive 507.55 carat diamond, found on Sept. 24. The diamond is worth about US$20-million which is enough to cover costs at the mine for two years.

The precious stone was found alongside three other special white gems of similar colour and clarity, a large diamond of 168 carats and two other stones of 58.50 and 53.30 carats. At 507 carats (just over 100 grams) the diamond is considered to be among the top 20 largest high quality rough diamonds ever found worldwide.

The Cullinan mine was previously owned by diamond mining giant De Beers, is renowned for the discovery of the famed Cullinan Diamond (3106 carat diamond) in 1905, which is part of the British crown jewels weighing 3106 carats. The Cullinan Diamond Mine is the third richest diamond producing mine in South Africa.