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,[1] 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.[1] Harry Winston acquired the stone and presented it to the Smithsonian Institution in memory of Sir Ernest Oppenheimer.[1]
-  			.jpg) Oppenheimer Diamond Oppenheimer Diamond
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See also
References
- ^ a b c "Oppenheimer Diamond [117538]". Smithsonian Institution. Retrieved 2013-06-29.
External links

Wikimedia Commons has media related to Oppenheimer Diamond.
- Oppenheimer Diamond at the Smithsonian, with better closeup photos
- Another view
- Third closeup