The ₹1,100-crore IPO of PN Gadgil Jewellers is open for subscription from September 10-12 at a price band of ₹456-480 per share. Investors can bid for a minimum of 31 shares, requiring investment of ₹14,880. Ahead of listing, unlisted shares of the Pune-based company were reportedly trading at a premium of ₹230 over the IPO price in the grey market.