Rockwell Diamonds Inc is a diamond mining company. It is engaged in the business of diamond production and the acquisition and exploration of natural resource properties. Business activity of the firm is operated through Northern Cape and Corporate segment. Northern Cape operation is associated with the mining of palaeo channels and rooikoppie gravels and the recovery of high value and larger karat size diamonds, and Corporate represents the corporate management and administrative function of the group. The company holds interests in Wouterspan, Saxendrift, Niewejaarskraal and Remhoogte properties.