The rough-diamond miner extracted about 11.6 million carats in Q3, or 20% more than in the same period last year. However, it could only sell 4.9 million carats.
The worker who developed leukemia was exposed to less radiation than many, said authorities, which suggests that the number of compensation cases could spike.
The $3.15 billion project will tap into the world’s largest and highest grade deposit of polyhalite, used as a fertilizer, inside the North York Moors National Park.
Prices for the precious rocks have fallen almost 12% in the past year, amid weakening diamond jewellery demand from China, the second largest consumer after the U.S.
Australian researchers have found a way to use diamonds to act as beacons in magnetic resonance imaging (MRI) scans and identify cancerous tumours before they become life-threatening.