A specially Do you know, discovery of this crystal was known to only few people and they were sworn to keep it secret. The Centenary is the largest modern-cut diamond in the world, and is the ultimate expression of both “fire” and “brilliance”. The rough stone had irregular shape, elongated horn at one It was named the Centenary Diamond as it was presented in the rough for the De Beers Centennial celebration in May 1988. After the primary work that was done, Tolkowsky and his assistants created an incredible 13 sketches of possible cuts for the diamond and presented them to the board of De Beers, which eventually decided a modified heart shape for the Centenary Diamond. From this crystal, two more pear-shaped diamonds weighing 1.47 and 1.14 carats were cut. © All rights reserved to Leibish & Co. 2020, Color Diamond or Color Gemstone Engagement Ring. The actual cutting and polishing work took place in a room specially designed underground room at the De Beers Diamond Research Laboratory in Johannesburg, South Africa. During the Centennial celebration of the De Beers was later known that this gem was insured for around $100 million. Final piece was ready in 1991, which had 247 facets (164 on the #3 The Hope Diamond ($250 million) The Hope Diamond price is about $250 million. Among top-color diamonds, the Centenary is surpassed in size by only the Cullinan I and the Cullinan II, the 2 largest stones cut from the Cullinan diamond.
x-ray imaging system. Premier mine is the only significant source of The Gemological Mined in 1986, the stone weighed 599 carats in its rough form. Source: De Beers. corner and a deep concave on the largest flat surface.
possible cut, Tolkowsky famously said, "From the moment I knew I was cut by hand tools). All Rights Reserved. The Centenary Diamond is the third-largest diamond ever recovered from De Beers’ Premier mine in South Africa. announced as the largest D color diamond ever found. The De Beers Centenary Diamond is a 273.85 carats D Color F Clarity modified heart shaped diamond. discovery of this crystal was known to only few people and they were sworn to keep it secret. The Centenary Diamond – 273.85 carats (54.770 g) The 273.85 carat gem is the third-largest diamond to have been produced in the Premier Mine. representatives of producer countries and many other personalities from It was found in Premier mine of South Africa using their Centenary Diamonds offers best quality diamond and gold jewellery with wide varieties of collections. The celebration had an audience of 400 people including government Nicky Oppenheimer remarked, “Who can put a price on such a stone?” There you go, the first of the many famous diamonds…just look at the colors bouncing off the diamond! It is the third largest diamond ever recovered in the Premier mine. consolidated mines, discovery of this gem was declared for the first time on March 11, 1988. diamond to appreciate its color, but this just expressed itself from its designed underground room was built in the De Beers diamond research The Centenary Diamond. Mined in 1986, the stone weighed 599 carats in its rough form. Beers maintains the non-disclosure policy of such information. The then chairman of De Beers, Mr. huge crystal required great skill and expertise. Cutting and Polishing .
this stone was studied in detail for almost a year. That is very rare. Julian Ogilvie Thompson announced the discovery of this crystal. technique) Tolkowsky chose Kerfing (age old method in which diamond is
It is the third largest diamond ever recovered in the Premier mine.
Its appearance is always accompanied by homicide and looting, and several owners have died strangely. In May of 1991, when the then deputy chairman of De Beers Mr. 17, 1986. The Centenary Diamond was discovered as a rough diamond of 599 carats in the De Beers Premier mine in South Africa in July 1986, although it was only presented as part of the Centennial celebration in 1988. Although the official value of the Centenary diamond is not known, because its current owner is not public knowledge in accordance with the De Beers policy of anonymity, it is known that the diamond was insured for $100 Million upon its unveiling in 1991. Despite our lack of knowledge as to the diamond's worth and whereabouts, if it surfaces in a country's Crown Jewels or in a Museum, and goes on auction, we would then be able to conclude the Centenary diamond's worth today. The room was specifically designed to account for factors like strength and stability so as to avoid any unnecessary mechanical vibration or temperature variation, to minimize any influences that might interfere with the cutting of the Centenary Diamond. first saw the stone, his words were "usually you have to look âintoâ a It took another year to give Centenary its desired shape. The Hope Diamond is a famous “doom diamond” in history. It is said that they chose that shape, envisioning its position on the turban of a Sultan or a Maharaja. Sign-up my FREE weekly newsletter and I'll send you more awesome new additions on this website along with latest jewelry happenings around the world, and download my Jewelry Design Album for FREE! It was decided to cut the stone into one The discovery of the Centenary Diamond was announced in 1988 on the occasion of the mining giant’s 100th anniversary celebrations, which also gave the diamond its name, “Centenary Diamond.” Like the Cullinan, the 273-carat Centenary Diamond also hails from the Premier Mine of South Africa, where it was unearthed by diamond firm De Beers in 1986. Before the start of actual diamond cutting process, The resulting masterpiece was a modified heart shaped diamond, with D color and both internally and externally flawless, with a total of 247 facets, including 164 on the stone and 83 on the girdle. surface.
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Centenary after Centennial celebration of De Beers mines. The Centenary Diamond Owned by De Beers. that so many facets were polished on a diamond. We appreciate your understanding. The discovery of the Centenary Diamond was announced in 1988 on the occasion of the mining giant’s 100th anniversary celebrations, which also gave the diamond its name, “Centenary Diamond.”. is still the owner of this diamond or itâs sold. large modern cut stone. The Gemological Institute of America has certified the diamond’s color as D and its clarity as internally and externally flawless. For selection of final shape, 13 different shapes were presented to De Beersâ board. Presently, itâs not confirmed that whether De Beers While the stone has never been officially valued, it was insured for $100 million when it was officially unveiled in May 1991. Out of those, a modified heart shape was selected. I was looking at Its original weight was 599 carat The Centenary diamond is the largest modern fancy cut diamond in the world, and the only one to combine old cutting methods with sophisticated, modern cutting technology. laboratory in Johannesburg in South Africa for cutting of this stone. Feel free to share if something is in your mind and want it to be covered on this site. The diamond was cut and polished over 2 years to yield 273.85 carats of internally flawless beauty. However, due to the present situation, delays may be expected beyond the delivery date specified on our website. The first step involved in Centenary Diamond polishing – the removal – by hand – of 20 carats of the rough diamond’s mass, a delicate process that took 154 days.
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