Diamond exploration company African Diamonds expects the AK6 diamond mine in Botswana to come on stream in the third quarter of 2011.
The National Union of Mineworkers has warned De Beers that it will fight plans to retrench more than 350 workers at its Finsch mine in the Northern Cape.
Rockwell Diamonds is still battling the after-effects of the collapse in the diamond market but is looking to expand cautiously after refinancing its balance sheet.
Members of the National Union of Mineworkers (NUM) and the world's largest diamond miner De Beers Consolidated Mines have agreed to sign a wage deal, the union says.
Alluvial miner Rockwell Diamonds has reported the narrowing of its full year headline loss per share to C$0.03 for the year to end February 2010 from C$0.05 previously.
Diamond producer Trans Hex will only have to provide its share of the capital expenditure needed to build the new Luana mine in Angola according to CEO Llewellyn Delport.
Rio Tinto is to press ahead with the $300m expansion of the Murowa diamond mine in Zimbabwe amid signs the investment climate had radically improved in that country.
South Africa's NUM and the world's biggest diamond producer De Beers are likely to sign a wage deal that could prevent a strike at the company's operations.
The National Union of Mineworkers plans to have 3 000 of its members strike at diamond company, De Beers, after falling a "world apart" in a wage dispute.
Zimbabwe bans all diamond exports, including from a unit of Rio Tinto, until gemstones from its controversial Marange fields are certified by the Kimberley Process, state media reports.