International Gemmological Institute opens Friday. Price band, GMP among 5 things to know before subscribing

International Gemmological Institute (IGI) is launching its IPO on Friday, aiming to raise Rs 4,225 crore. The offer includes a fresh issue and an offer for sale by the promoter. Priced at Rs 397-417 per share, the IPO values IGI India at Rs 16,545 crore. The company holds a 50% market share in India for diamond certification.