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.
Kazanjian Red Diamond
The Kazanjian Red Diamond is a 5.05-carat emerald-cut red diamond. Red diamonds are the rarest type of colored diamond. The diamond measures on the sides, and in depth. It is the second-largest red diamond ever found, behind only the 5.11-carat Moussaieff Red Diamond.