Cullinan Diamond
The Cullinan Diamond is the largest gem-quality rough diamond ever found, weighing , discovered at the Premier No. 2 mine in Cullinan, South Africa, on 26 January 1905. It was named after Thomas Cullinan, the mine's chairman.
Cora Sun-Drop Diamond
The Cora Sun-Drop Diamond is the largest known yellow pear-shaped diamond, weighing . It was sold for $10.9 million at Sotheby's auction in Geneva and set a world record price for a yellow diamond.