Weighing 1,109 carats

Laurence Graff, chairman of Graff Diamonds, has acquired the world's most valuable rough diamond - the Lesedi La Rona - weighing a record breaking 1,109 carats.

This acquisition marks a historic moment within the illustrious legacy of Graff and the career of its founder Laurence Graff, often referred to as the 'King of Diamonds', as he is said to have handled more important and famous diamonds than any other diamantaire in the world.