Rio Tinto Group has dug its last diamond and will close its final mine for the precious gemstone, marking the end of a business that lasted more than half a century.

Mary Roeloffs is a Forbes breaking news reporter covering pop culture. The diamond ring soccer icon Cristiano Ronaldo used to propose to his longtime partner Georgina Rodriguez could be as large as 50 ...

The Florentine Diamond, long thought lost, has finally resurfaced. Turns out, the historic gem was never missing, but locked away in a bank vault in Canada since World War II, according to a November ...

Diamonds, once the ultimate symbol of opulence and wealth, may be on their way out. With the prevalence of lab-grown alternatives and an overall decrease in demand, natural diamond companies are being ...

A family visiting Crater of Diamonds State Park in Arkansas found a nearly 3-carat brown diamond on the park's north side, park officials said in a statement. Raynae Madison and her family traveled ...