Graff: a jewel that breaks records

Graff is known for cutting and polishing the majority of the 20 largest diamonds in the world discovered this century, and has now revealed another simply extraordinary diamond. Baptised Graff Lesedi La Rona, the stone comes from a rough diamond of 1,109 carats, the second largest ever found in the world. As large as a tennis ball, it was discovered in a Botswana mine in November 2015.
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