Mumbai (Maharashtra) [India], May 31:International Gemological Institute (IGI) has analyzed and graded a 75.33 carat square-emerald cut lab grown diamond, the world's largest to date, along with a unique 30.69 carat ring-shaped diamond, said to be crafted from a single crystal grown rough st
Mumbai (Maharashtra) [India], August 14 (ANI/PRNewswire): The International Gemological Institute certified a stupendous 14.6 carat, laboratory grown creation at its Mumbai facility.