Lesedi La Rona

The 1109.67 carats "Lesedi La Rona" (Setswana meaning "Our Light") is the most significant gem quality diamond rough extracted through modern mining methods to date. The 3106 carats "Cullinan" diamond is the only larger gem diamond rough ever discovered. It was exposed in blueground approximately 6 feet below the surface at the Premier Mine in 1905 in South Africa.