Oppenheim diamond
The Oppenheimer Diamant (also called Dutoitspan Diamant ) is a light yellow diamond single crystal.
The previously uncut, octahedral diamond weighs 253.7 carats (octahedral height approx. 3.8 cm) and was found in 1964 in the Dutoitspan mine near Kimberley in South Africa . His buyer Harry Winston named the stone after Ernest Oppenheimer , the founder of De Beers , and donated it to the Smithsonian Institution , where it was sold under catalog no. 117538 is registered and issued.
Web links
- Mohsen Manutchehr-Danai: Dictionary of Gems and Gemology . Springer Science & Business Media, 2013, ISBN 978-3-662-04288-5 , pp. 344 (English, limited preview in Google Book search).
- GeoGallery of the Smithsonian Institution - Oppenheimer Diamond