World largest Diamonds ever

This diamond found in South Africa's Cullinan mine. 507 carat in this diamond is found in 1905. The experts rated this diamond as £200million.

This is the world's biggest polished diamond in found in 1985, also at the Cullinan mine. When it found that stone was smaller than the original but when it polished it became 545 carats. So It became the largest polished diamond ever.