November 11, 2011 7:09 PM
Biggest ever gem from diamond mines at Panna unearthed
National Mineral Development Corporation, NMDC, has unearthed a 37.68 carat diamond, the biggest ever gem produced from the diamond mines at Panna in Madhya Pradesh. The experts have valued this gem between 2.5 and 5 crore rupees. NMDC officials said, the white rough diamond in octahedron shape is o...