Efforts to broaden the scope of the Kimberley Process, set to prevent the sale of so-called "blood diamonds", have been stymied for a decade by member states including China, Russia and a number of African nations.
The top item at Christie’s Geneva Magnificent Jewels sale in November will be The Pink Legacy, an 18.96-carat fancy vivid pink diamond expected to fetch up to $50 million.
Blockchain technology and the smart contracts it enables are the next innovations the mining industry needs to adopt in order to improve efficiencies and increase market transparency, a paper published by global law firm White & Case says.