The 3.14-carat polished emerald cut diamond, known as The Argyle Alpha, is part of the line-up of 63 rare pink, red and violet diamonds in the 2018 Argyle pink diamonds tender.
They claim mounting investigations into the firm’s dealings in the DRC, where it’s heavily invested, has made the stock collapse and investors may seek compensation for the losses caused by it.
The world’s No.2 miner is selling its 40% in the giant Grasberg mine, the world’s second largest copper operation, to Indonesia’s state mining company PT Inalum.
Canada's Barrick Gold Corp lowered its full-year copper production forecast on Wednesday while increasing its cost estimates, saying the change reflected operational challenges and planned work at its Lumwana mine in Zambia.
Private equity still has significant opportunities to invest in mining as companies cut debt and rebuild their balance sheets even as the sector recovers, mining specialist Denham Capital said.
Salar Blanco, which is 50 percent-owned by Lithium Power International, has dropped a lawsuit against Chile to block state-run Codelco from exploiting a lithium deposit where both have claims.
Foreign direct investment in Chile hit $8.48 billion from January to April, its highest level since records began 15 years ago, thanks to a new law designed to attract investment, the government investment agency said on Wednesday.