Petra Diamonds has secured its plans of expanding production, as it recently announced signing two loan agreements, one with World Bank unit IFC, and the second with Rand Merchant Bank, a division of FirstRand Bank Limited. Both these loan facilities will together be worth around $78 million. %% Petra plans to invest these loans in expanding the Williamson mine in Tanzania and the Cullinan mine in South Africa. For this expansion, Petra too would add finances from its own treasury. The loans would further be directed towards general working capital needs and in addressing the outstanding $31 million loan due to Al Rajhi Holdings W. L. L.