As we enter the third week of the new year, the natural diamond market continues to demonstrate encouraging signs of stability, strength and growth. Most jewelers reported a solid year-end performance ...

A giant 709-carat diamond unearthed in Sierra Leone has sold at auction in New York for $6.5m (£4.8m). Laurence Graff, chairman of Graff Diamonds, won the precious stone - nicknamed the "peace ...