The two companies will exchange past exploration information on areas prospective for diamonds in Zimbabwe and form a jointly-owned special purpose vehicle to develop and exploit diamond resources.
The company's revenue jumped a whopping 174% in the first quarter of the year thanks to strong demand for its rough rocks and the sale of a 910-carat diamond, the fifth-largest ever found.
Namibia may scrap requirements for black ownership in mining as it seeks to woo investors to an industry that is rebounding with the commodities cycle.