International Gemmological Institute (India) IPO GMP History
International Gemmological Institute (India) IPO has been listed on December 20, 2024 at a listing price of ₹510, against the issue price of ₹417 — a gain of ₹93 (+22.3%). The GMP peaked at ₹150 on 10 December 2024 and reached a low of ₹90 on 14 December 2024. The day-wise GMP trend below shows how grey market sentiment evolved from subscription to listing.
International Gemmological Institute (India) IPO raised ₹4225 Cr. through its IPO at a price band of ₹397 to ₹417 per share, with a lot size of 35 shares. The IPO was open for subscription from 13 Dec 2024 to 17 Dec 2024.
Researched & reviewed by
Abhishek Vohera,
Founder, IPO Guru
Last updated
Figures sourced from the RHP, BSE & NSE
GMP trend
Grey market premium sampled three times a day (11 AM, 5 PM, 10 PM). Last updated 10 Nov, 11:34 PM IST.
Day-wise GMP
The last reading of each day, newest first. Arrows compare with the previous day.
| Date | GMP | ↑↓ | % | Kostak | Sub. Sauda |
|---|---|---|---|---|---|
| 19 Dec 2024 | ₹ 105 | ▲ | 25% | — | — |
| 18 Dec 2024 | ₹ 95 | ▼ | 23% | — | — |
| 17 Dec 2024 | ₹ 109 | — | 26% | — | — |
| 16 Dec 2024 | ₹ 109 | ▲ | 26% | — | — |
| 14 Dec 2024 | ₹ 90 | ▼ | 22% | — | — |
| 13 Dec 2024 | ₹ 100 | ▼ | 24% | — | — |
| 12 Dec 2024 | ₹ 127 | ▲ | 30% | — | — |
| 11 Dec 2024 | ₹ 120 | ▼ | 29% | — | — |
| 10 Dec 2024 | ₹ 150 | ▲ | 36% | — | — |
| 09 Dec 2024 | ₹ 100 | — | 24% | — | — |
International Gemmological Institute (India) IPO dates
Key dates from opening to listing. Today is 11 November.
- Open 13 Dec 2024
- Close 17 Dec 2024
- Allotment 18 Dec 2024
- Refund/credit 19 Dec 2024
- Listing 20 Dec 2024
International Gemmological Institute (India) IPO actual listing price
How the grey market's final call compared with the listing-day open.
| Issue price | ₹417 |
|---|---|
| GMP-based estimate (pre-listing) | ₹522 (+25.2%) |
| Listing gain / loss | +₹93 per share |
| Listing date | 20 Dec, 2024 |
| Actual listing price | ₹510 (+22.3%) |
Is International Gemmological Institute (India) IPO GMP reliable?
Grey market premium for International Gemmological Institute (India) IPO should be interpreted with caution. The GMP is an unregulated, unofficial market not governed by SEBI. Here's how to read the current signal:
- 01Subscription rate matters: A high GMP paired with strong subscription — especially QIB (Qualified Institutional Buyer) oversubscription — is a more reliable bullish signal than GMP alone. Read our in-depth analysis: GMP vs Subscription Data — Which Predicts Listing Gains Better?
- 02Timing matters: GMP in the first 1–2 days of subscription is less reliable. GMP on the final subscription day and the day before listing tends to be the most accurate predictor.
- 03Grey market is thin: For smaller IPOs, even a handful of large orders can swing the GMP significantly. Treat low-volume GMP signals with extra caution.
- 04Cross-check before acting: Review the International Gemmological Institute (India) IPO full review for a fundamentals-based assessment before making any grey market trades.
International Gemmological Institute (India) IPO Kostak rate explained
Two ways the grey market trades an IPO application before listing.
The Kostak rate for International Gemmological Institute (India) IPO was not available during the subscription period. Kostak is the fixed amount a grey market buyer pays for an IPO application regardless of allotment outcome.
The Subject to Sauda price was not available for this IPO. Subject to Sauda only applies if allotment is confirmed — the buyer pays a premium on top of the issue price per lot allotted.
Grey market trading is unofficial and unregulated by SEBI. Proceed with full awareness of the associated risks.
About International Gemmological Institute (India) IPO
International Gemmological Institute (India) Limited was incorporated as a private company at Mumbai on 23 February 1999. It is an independent certification and accreditation services provider for diamonds, studded jewellery and coloured stones.
It is part of the IGI group and runs the IGI brand exclusively in India and Türkiye. Its financial years end on 31 December.
As per the RHP, after its planned acquisition of other IGI group entities, the group would be the world's second-largest independent certification provider by CY2023 revenue, with 31 laboratories and 18 IGI schools and a 33% global share by number of certifications. Its promoter is BCP Asia II TopCo, an affiliate of Blackstone.
The IPO was Rs 4,225 crore, with Rs 1,475.13 crore of fresh issue and Rs 2,749.87 crore of offer for sale by the promoter. Fresh money was mainly planned for acquiring the IGI group's overseas businesses.
Frequently asked
What is the GMP of International Gemmological Institute (India) IPO?
The current Grey Market Premium (GMP) of International Gemmological Institute (India) IPO is ₹ 105.
What is the Kostak Price of International Gemmological Institute (India) IPO?
Kostak rate is the profit made by selling an IPO application before allotment. The current Kostak rate for International Gemmological Institute (India) IPO is not available.
What is the Subject to Sauda Price of International Gemmological Institute (India) IPO?
Subject to Sauda is the premium amount decided if the allotment is confirmed. The current Subject to Sauda rate is not available.
What was the actual listing price of International Gemmological Institute (India) IPO?
International Gemmological Institute (India) IPO listed on December 20, 2024 at ₹510, against the issue price of ₹417 — a gain of +22.3%.
How did the GMP of International Gemmological Institute (India) IPO trend before listing?
The GMP of International Gemmological Institute (India) IPO was rising in its final days before listing. The GMP peaked at ₹150 on 10 December 2024. View the day-wise table above for the complete GMP history.
Explore International Gemmological Institute (India) IPO further
The grey market is one signal. Read it alongside the demand, the reviews and the filings before you decide.
It has listed — go back to the fundamentals.
Category-wise demand from QIB, NII and retail investors, updated through the day.
What brokers and analysts are saying about this issue, in one place.
Check with your PAN whether shares were credited to your demat account.
The grey market called it. Now check the fundamentals.
IPO Guru tracks GMP, subscription and allotment for every Mainboard and SME issue. Read the grey market alongside the subscription book and the offer document before you apply.
Not investment advice. Grey market premium is an unofficial, unregulated indicator and is not a forecast.
