A small-scale miner from Tanzania become an overnight millionaire on Wednesday after he sold two rough tanzanite gemstones said to be the largest ever found in the country. Saniniu Laizer, 52, ...

The gem industry is divided on the recently introduced gazette allowing for the export of rough gems that some academics believe results in the reduction in the quality of Sri Lankan products. Colombo ...

Gem Auctions DMCC, founded by mining entrepreneur Alan Davies, will hold its first-ever rough diamond auction in Dubai, UAE next month. Gem Auctions DMCC, founded by mining entrepreneur Alan Davies, ...

One of the few new plays headed for Broadway this fall -- Pulitzer-Prize winner August Wilson’s “Gem of the Ocean” -- has hit financial rough waters as it completes its Boston preview. The show lost ...

The just completed Sotheby’s Magnificent Jewels sale in New York is the first auction to sell two items for more than $30 million. The first is the “Estrela de Fura,” a 55.22-carat Mozambique ruby ...