
Rio Tinto unearths exceptional yellow diamond
Rio Tinto unearths exceptional yellow diamond Rio Tinto (ASX: RIO) has discovered one of the largest gem-quality yellow diamonds to ever be found. Weighing in at 158.20 carats, this rough diamond was found at its Diavik diamond mine located in the remote Northwest Territories of Canada. This is one of five diamonds weighing in over at 100 carats to ever be found at Diavik in its two decades of operation. Diamond production at Diavik is primarily white gem quality diamonds, with less than a percent of its production yielding yellow diamonds. Diavik diamond...







