At 110 carats, the price of the Cora Sun-Drop is as closely guarded as the diamond itself.
Technically, it’s priceless as there isn’t another one like it in the world. But of course, that ‘priceless’ tag will eventually be testd when the diamond eventually comes up for sale.
The stone, which took six months to cut and is the only pear-shaped yellow diamond in the world, has gone on display at London’s Natural History Museum.
According to Alan Hart – Head of Mineralogy at the Natural History Museum, the stone achieves its unique yellow colour because of the small traces of Nitrogen present in it.