The diamonds are said to be chemically pure and structurally prefect. Because it is one of a kind, of such size and purity, it is “priceless.”World’s Second Largest Diamond – Lesedi La RonaThe Centenary Diamond was finally completed in February of 1991. 2,517. After the success of the cutting of the Golden Jubilee, Gabi Tolkowsky and his team embarked on the more challenging task of cutting the Centenary diamond.According to the list of famous D-color diamonds given below, the Centenary diamond is undoubtedly the 3rd-largest, faceted, D-color diamond in the world. The De Beers mining company commissioned a team of experts and world renowned master cutters, headed by Gabi Tolkowsky, a world renowned diamond cuter, hailing from a family of diamond cutters, with five new diamond cuts to his credit, to evaluate the rough Centenary, and to recommend the most appropriate techniques and designs, to be adopted, and subsequently to undertake the actual cutting of the stone. Julian Oglivie Thompson, chairman at the time, said “We have recovered at the Premier Mine a diamond of 599 carats which is perfect in color – indeed, it is one of the largest top-color diamonds ever found. The Kimberley mine was named after the first Earl of Kimberley, who was then the British Colonial Secretary. $2460 represents the best RapNet asking price offer for a Round, D, IF 0.30-0.39 diamond. The Centenary Diamond is rated in color as grade D color by the Gemological Institute of America, which is the highest grade of colourless diamond and is internally and externally flawless. On March 11, 1888, Rhodes incorporated De Beers Consolidated Mines Ltd. By mid 1890s, Rhodes had established the Diamond Syndicate with a view of controlling the word diamond distribution, in order to keep prices high and demand steady. But, before the actual shape and design of the stone could be recommended, the team decided to eliminate the protruding horn, the large cracks at the edge of the stone, and other superficial flaws.Gabi Tolkowsky was also involved in the cutting of the 755-carat Golden Jubilee rough diamond, the large yellow brown diamond, also discovered in the Premier diamond mines in 1985, just one year before the discovery of the Centenary diamond.
Instead they adopted the traditional method of kerfing by hand, a process that is slow and time consuming. This massive colorless diamond was purchased by the Transvaal Government, and presented in 1907 to the reigning British Monarch, King Edward VII.
It is the third-largest diamond to come out of the Premier Mine, and with a grade of D, it is internally and externally flawless. Among top-color diamonds, Only the Cullinan I and Cullinan II diamonds are larger than the Centenary. Since then De Beers Consolidated Mines Ltd. has been closely associated with the Anglo-American Corporation of South Africa, in exploring the diamond mines of Southern Africa and Namibia, and controlling the world diamond trade.Diamonds were first discovered in Southern Africa in the mid-1860s on the farm belonging to Nicolas and Diederick de Beer, near what is now the city of Kimberly. Diamond merchants use the Rapaport price list to calculate the price of diamonds.
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