Oppenheimer Diamond
| Gemstone: | Diamond |
|---|---|
| Source: | Dutoitspan Mine, Kimberley, South Africa |
| Uncut Weight: | 253.7 cts |
| Colour: | Yellow |
| Cut: | Uncut |
| Information Source: | http://en.wikipedia.org/wiki/Oppenheimer_Diamond |
| History: | Harry Winston acquired the stone and presented it to the Smithsonian Institution in memory of the late Sir Ernest Oppenheimer. |
| Dimensions: | 20x20 mm |