Program aims to educate young consumers about mined stones’ positive qualities.
Miner detected unstable area on road near site.
Rough production down 22% year on year.
Small plane transporting employees crashed shortly after takeoff.
Bidding was strong for 87 stones from company’s Argyle and Diavik mines.
Extra year could add 2.2 million carats of rough production.
Sales up 63% in 2022 amid solid demand and low inventory levels.
Production up 43% year on year following mine takeover.
Revenue and profit from Rio Tinto’s diamond division soared in the first half of the year as demand strengthened and manufacturers replenished inventory.