South Africa's Sibanye Gold flagged up a first-half earnings per share loss on Thursday, citing provisions worth 1.1 billion rand ($84 million) for a possible settlement with miners who contracted lung diseases at work.
While suppliers are not required to comply with the 2017 Charter, the procurement targets for Holders indirectly require them to meet such targets to remain competitive.
The miner said it remains cautious about the state of the global market for both rough and polished diamonds, noting that financing challenges persist.
The deal comes after a trip by the Guinean mines minister, Abdoulaye Magassouba, to China and follows other major Chinese investments in the resource-rich West African nation.
Israeli diamond billionaire Beny Steinmetz, four others, in custody of Israeli police on suspicion of fraud, forgery, obstruction of justice and bribery.
In an exclusive Critical Resource Q&A, leading mining entrepreneur Ross Beaty gives his investment tips, puts the boot in on the Trump agenda, and calls for more renewables and less consumption to avoid ecological collapse.