The decline of diamonds as a store of wealth is accelerating as low-cost laboratory gems seize more of the market, eating into the share of mined stones and devaluing family heirloom jewelry. Not a ...

As lab-grown diamonds win more admirers, Jared Jewelers is making the case for natural stones with “A Diamond Is Born,” a 20-minute documentary that traces a gem’s journey from discovery to finished ...

Diamonds helped transform Botswana from one of the world’s poorest nations into one of Africa’s success stories ...

The largest diamond in more than a century has been discovered – and experts say the gargantuan gem could be worth more than $100 million. The president of Botswana, the African nation where the ...