| Oppenheimer Diamond | |
| Type Of Stone: | diamond |
| Color: | yellow |
| Cut: | (uncut) |
| Country: | South Africa |
| Mine: | Dutoitspan Mine |
| Found: | 1964 |
The Oppenheimer Diamond, a nearly perfectly formed yellow diamond crystal, is one of the largest uncut diamonds in the world,[1] and measures approximately . 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.
