
Retail & Consumer Goods · NSE / BSE
International Gemmological Institute (India) Limited (IGI), incorporated in February 1999, is a globally recognized organization specializing in certifying and grading diamonds, gemstones, and jewellery. Operating 31 laboratories and 18 gemology schools worldwide, including key markets such as Surat, Mumbai, Antwerp, New York, Bangkok, Dubai, Hong Kong, and Shanghai, IGI provides independent grading reports for natural and lab-grown diamonds, coloured stones, and finished jewellery, assessing attributes like cut, colour, clarity, carat weight, fluorescence, symmetry, craftsmanship, and overall value. The company also offers education programs in gemology, diamond grading, and jewellery design, supported by a dedicated research department. As of September 30, 2024, IGI’s Pre-Acquisition Group includes 20 laboratories and 9 schools, staffed by 843 employees, including 316 gemologists, ensuring internationally recognized standards and fostering industry expertise.
Price Band
₹397 – ₹417
Issue Size
₹4225 Cr
Lot Size
35 shares
GMP
+38.1%
Est. Listing
₹576
at current GMP
Subscribed
33.80x
overall
Open
13 Dec 2024
Close
17 Dec 2024
Allotment
18 Dec 2024
Refund
19 Dec 2024
Demat Credit
20 Dec 2024
Listing
20 Dec 2024
Last updated: 19 Oct 2026
Current Premium
Issue Price (Upper)
₹417
Band: ₹397 – ₹417
Estimated Listing Price
₹576
Upper price + GMP
Lot Size
35 shares
Min investment ₹14,595
Estimated Profit / Lot
₹5,565
35 × ₹159
Grey Market Premium trend
+₹159
▲ 0 today
Updated 1 minute ago
| Date | GMP (₹) | GMP % | Est. Listing |
|---|---|---|---|
| 31 Oct 2026 | +₹159 | 38.1% | ₹576 |
| 30 Oct 2026 | +₹159 | 38.1% | ₹576 |
| 29 Oct 2026 | +₹143 | 34.3% | ₹560 |
GMP is unofficial market data. Not a guarantee of listing performance.
International Gemmological Institute (India) Limited is bringing an initial public offering (IPO) in the Retail & Consumer Goods sector with an aggregate issue size of ₹4,225 Crores. The shares are offered at a price band of ₹397 to ₹417 per equity share on NSE and BSE. Currently, grey market participants and retail investors are watching the bidding trend, premium movement, and anchor book demand with keen interest.
Prospective investors can apply in the retail quota with a minimum of 1 lot comprising 35 shares (approx. ₹14,595 minimum investment). High net-worth individuals (HNI/NII) can bid in the sHNI (₹2 Lakh to ₹10 Lakh) or bHNI (above ₹10 Lakh) categories for enhanced quota allocation.
Allotment reconciliation will be managed by Kfin Technologies Limited. Eligible allottees will receive credit of equity shares into their Demat accounts by 2024-12-20, while un-allotted funds or UPI block mandates will be released on 2024-12-19.
The latest grey market premium for International Gemmological Institute (India) Limited IPO is ₹159, which indicates an expected listing price of ₹576.
Kostak rate is the profit amount an investor earns by selling their entire IPO application in the grey market before allotment is finalized.
No. GMP is an unofficial indicator discovered between dealers outside of SEBI-regulated exchanges. Actual listing price is determined by demand-supply discovery on NSE/BSE during the pre-open auction.