Oppenheimer Diamond displayed in the Smithsonian Institution
Type of stone
diamond
Weight
253.7 carats (50.74 g)
Dimensions
20 mm × 20 mm (0.79 in × 0.79 in)
Color
yellow
Cut
(uncut)
Country of origin
South Africa
Mine of origin
Dutoitspan Mine
Discovered
1964
The Oppenheimer Diamond, a nearly perfectly formed 253.7 carats (50.74 g) yellow diamond crystal, is one of the largest uncut diamonds in the world,[1] and measures approximately 20 mm × 20 mm (0.79 in × 0.79 in). It was discovered in the Dutoitspan Mine, Kimberley, South Africa, in 1964.[1] Harry Winston acquired the stone and presented it to the Smithsonian Institution in memory of Sir Ernest Oppenheimer.[1]
The OppenheimerDiamond, a nearly perfectly formed 253.7 carats (50.74 g) yellow diamond crystal, is one of the largest uncut diamonds in the world, and...
Sir Ernest Oppenheimer KStJ (22 May 1880 – 25 November 1957), was a diamond and gold mining entrepreneur, financier and philanthropist, who controlled...
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financed by the South African diamond magnate Alfred Beit and the London-based N M Rothschild & Sons bank. In 1926, Ernest Oppenheimer, a German immigrant to...
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position in the world's diamond trade. He is currently the director of E. Oppenheimer & Son Ltd. In 2003, Jonathan and Nicky Oppenheimer published The Brenthurst...
pedestrian bridge. The Harry OppenheimerDiamond Museum displays models of world-famous diamonds, including the Koh-i-Noor Diamond currently set in the crown...
Bernard Oppenheimer, 1st Baronet (13 February 1866 – 13 June 1921) was a South African-British diamond merchant and philanthropist. Oppenheimer was chairman...
Otto Oppenheimer (1882–1948) was a British diamond dealer, who ran the London end of the De Beers company for his brother Sir Ernest Oppenheimer. He was...
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Ernest Oppenheimer (born June 1937) is a British diamond dealer and racehorse owner. He was born in June 1937, the son of Sir Philip Oppenheimer, and his...
created in the 1921 New Year Honours for Bernard Oppenheimer, Chairman of the South African Diamond Corporation. The title became extinct with the death...
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BBC News. "Oppenheimer Blue diamond sets new auction record". BBC News Online. 18 May 2016. Retrieved 18 May 2016. "Oppenheimer Blue diamond sells for...
promoting diamond manufacturing in Israel and cut costs for the local community of diamantaires. The IDI also operated the Harry OppenheimerDiamond Museum...
increased labour strikes and international attention to Oppenheimer's involvement in conflict diamonds. Anglo American then sold a 24.5% share in its Chilean...
Zaire's kleptocratic dictator, Mobutu Sese Seko and the influential Oppenheimerdiamond family. Declassified memos and cables between former U.S. presidents...
Daughter Blue Moon Diamond for Record $48m". The Guardian. 12 November 2015. Retrieved 25 December 2016. "The Oppenheimer Blue Diamond Helps Christie's...
Neil Leslie Diamond (born January 24, 1941) is an American singer-songwriter. He has sold more than 130 million records worldwide, making him one of the...