In a discovery that offers a glimmer of optimism amid a turbulent year for the diamond industry, Rio Tinto ...

The 158.20-carat rock is one of only five yellow diamonds weighing more than 100 carats ever found at Diavik in its 22-year history.

Russian diamond producer Alrosa showcased the largest diamond ever cut in the country’s history—a 100-carat vivid yellow gem named “New Sun,” on April 4. The rare stone, estimated to be ...

Diversified miner Rio Tinto has recovered a 158.2 ct yellow diamond at its Diavik mine, in Canada – one of only five yellow diamonds weighing more than 100 ct ever unearthed at the mine in its ...