Diamond of incredible 1.111 carats found in Botswana - Invaluable stone
The gem which Lucara Diamond company found belongs to the IIa category where only one to two percent natural diamonds are. These diamonds do not contain impurities and they are colorless.
In July, the company sold much
smaller diamond of 341,9 carats, IIa type, for USD 20,6 m which is 60.000 dollars
per carat..
The biggest gem ever found is Cullinan which has 3.106 carats and was found at
the mine of Thomas Cullinan in South Africa in 1905. This one was showed to
King Edward VII and after that it was cut out in 9 larger and 96 smaller ones. One of them has
317,4 carats and is placed at the crown of the British Imperia.
It is estimated Cullinan collection totals USD 2 billion but it has never gone to an auction.