Oppenheimer Diamond
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, 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. Harry Winston acquired the stone and presented it to the Smithsonian Institution in memory of Sir Ernest Oppenheimer.
- Oppenheimer Diamond
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