The rough gem, described by Rio Tinto as a “miracle of nature,” is one of only five yellow diamonds exceeding 100 carats ever recovered from Diavik since it began operations in 2003. The ...

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 ...

The ALROSA group of Russian diamond mining companies, which is the world leader in diamond production, plans to sell the ...