Rio Tinto's Diavik diamond mine delivers its final production

YELLOWKNIFE, Canada--(BUSINESS WIRE)--After 23 years of operations and more than 150 million carats of rough diamonds produced before exhausting its economic reserves, Rio Tinto's Diavik diamond mine in the Northwest Territories of Canada has celebrated its final day of production. Rio Tinto Iron & Titanium and Diamonds Managing Director Sophie Bergeron said: “Forty years ago there were very few people who believed there were diamonds in Canada – even fewer could have foreseen how the Diavi.