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The world's largest diamond ever is found26.1.1905
The Cullinan diamond is the largest gem-quality diamond ever found, at 3106.75 carat (603.35 g, 1.37 lb) rough weight. About 10.5 cm (4.1 inches) long in its largest dimension, it was found January 26, 1905, in the Premier No. 2 mine, near Pretoria, South Africa.
The largest polished gem from the stone is named Cullinan I or the Great Star of Africa, and at 530.4 carats (106.1 g) was the largest polished diamond in the world until the 1985 discovery of the Golden Jubilee Diamond, 545.67 carats (109.13 g), also from the Premier Mine. Cullinan I is now mounted in the head of the Sceptre with the Cross. The second largest gem from the Cullinan stone, Cullinan II or the Lesser Star of Africa, at 317.4 carats (63.5 g), is the fourth largest polished diamond in the world. Both gems are in the Crown Jewels of the United Kingdom.
