Diamond miner Diamcor Mining reports that it was able to achieve strong results from the tender and sale of rough diamonds in the quarter ended March 31, despite the ongoing electricity supply disruptions in South Africa. Diamcor, which is recovering diamonds through the processing of quarry material at its Krone-Endora at Venetia project, in Limpopo, sold 3 310.67 ct of rough diamonds, generating revenues of $1.58-million.