Mbada will partner with state-owned Zimbabwe Mining Development Corporation to "invest heavily" into conglomerate and kimberlitic mining.
Zimbabwe wants a single diamond mining company to operate in Marange, and it looks like the frontrunner is one with close links to Robert Mugabe.
A major fundraiser for Barack Obama has been schmoozing senior Zanu-PF figures in the hope of winning business deals from the Zimbabwe government.
Tens of millions of dollars of revenue that a diamond- mining company says its paid to the government never found its way to the Treasury.
Former intern at amaBhungane Owen Gagare has been arrested in Zimbabwe following an expose involving the Zimbabwean military and police.
A UN-mandated watchdog has agreed to end monitoring controls on Zimbabwe's diamond trade, after the government allayed concerns over Marange mines.
A conference on Zimbabwe's diamonds has showed widening divisions in the Kimberley Process, the global diamond certification group.
Western retailers could be forced to source their diamonds elsewhere to protect their businesses, writes Alan Martin.
About $2-billion worth of diamonds have been stolen from Zimbabwe's eastern diamond fields and have enriched President Robert Mugabe's ruling circle.
Mega-rich Zimbabwean businessman Robert Mhlanga stands at the centre of an opaque network of companies set up to cash in on Marange diamond fields.
Human rights group says blood diamond money being siphoned to finance the president and his secret police.
A Zimbabwe court has jailed a former senior police officer for 18 years for beating to death a diamond miner in 2008.
The funeral of a gem dealer has revealed the illicit trade of diamonds in Zimbabwe has gone underground and may be propping up Zanu-PF cronies.
A gold rush near a Zimbabwean mining city by illegal panners has led to reports that Zanu-PF security forces have seized control of the mining wealth.
Conflict diamonds are to be used to fund a new campaign of violence by President Robert Mugabe's regime against his political opponents in Zimbabwe.
Zanu-PF kicked off its 12th annual people's conference amid efforts to pull in big business to participate in a concurrent exhibition.
Global Witness has left the Kimberley Process after a series of disagreements, including the resumption of sales of Zimbabwe's Marange diamonds.
Zimbabwe's opposition party claims that illegal trading is costing the country billions.
Due to the Kimberley Process unbanning sales of Zimbabwe's Marange diamonds, the country is expecting a $600-million boost in revenue.
Indian officials say imports of gems from Zimbabwe, once banned as "blood diamonds", could begin within weeks.