The 'Ocean Dream,' 5.5-carat fancy vivid blue-green diamond sold for $17.3 million at the Christie's Magnificent Jewels, ...

A small group of nations controls the vast majority of the world’s diamond output, shaping a market defined by geology, scale, and uneven distribution. From Arctic mines to African riverbeds, these ...

A mysterious black diamond stumped experts for years until one Belgian cutter invented a new machine to shape the 612-carat gem into the world's largest.

For Tom Moses, it was a peak moment in his career. “Think of something that’s as big as your closed fist — and it’s a diamond that weighs slightly more than one pound. There’s a sense of overwhelming ...

On January 26, 1905, the course of gemstone history was altered forever in a small town near Pretoria, South Africa. During a routine inspection at the Premier No. 2 mine, Frederick Wells, the mine’s ...

BOTSWANA, Africa -- A Canadian diamond producer has unearthed the second largest diamond ever found in a land-locked southern Africa country. Lucara Diamond Corp. announced the recovery of a 1,111 ...

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