Oppenheimer Diamond

The Oppenheimer Diamond, a nearly perfectly formed 253.7 carat (50.74 g) yellow diamond crystal, is one of the largest uncut diamonds in the world,^[1] and measures approximately 20 × 20 millimeters. 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]

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  Oppenheimer Diamond

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External links

Wikimedia Commons has media related to Oppenheimer Diamond.

• Oppenheimer Diamond at the Smithsonian, with better closeup photos
• Another view
• Third closeup