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is the biggest diamond in the world. It was found in South Africa in 1905 by Sir Thomas Cullinan. Koh-i-Noor, one of the most famous diamonds in the world, came from central southern India's ...

making it the world's most expensive green stone. Sold by Christie's, the Cartier diamond and emerald brooch, which can also be worn as a pendant, dethrones a piece of jewelry made by the fashion ...

The largest diamond found in more than a century has been unearthed at a mine in Botswana, and the country's president showed off the fist-sized stone to the world at a viewing ceremony Thursday.

Australia's Lupaca Diamond Company has reported that miners in Angola have extracted a rare pure pink diamond, considered the largest ... player on the world stage,” While most colored gemstones ...