Christie’s auction house in Geneva has just sold “one of the world’s greatest diamonds” and the most expensive. The Pink Legacy,¬†weighing about 19 carats was sold for a staggering US$2.6m per carat – breaking the record price per carat for any diamond ever sold.

US brand Harry Winston, the new owners have renamed it the “Winston Pink Legacy”. The diamond originated from South Africa and was previously owned by the Oppenheimer family, who formerly ran the De Beers mining company.