The Oppenheimer Diamond, a nearly perfectly formed yellow diamond crystal, is one of the largest uncut diamonds in the world, and measures approximately . It was discovered in the Dutoitspan Mine, Kimberley, South Africa (1948–1994), in 1964. Harry Winston acquired the stone and presented it to the Smithsonian Institution in memory of Sir Ernest Oppenheimer.
See also List of diamonds
References
External links
Oppenheimer Diamond at the Smithsonian, with better closeup photos Another view Third closeup