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International Gemological Institute share price & results

International Gemological Institute Limited· Services

Results to
Sept 2026
Latest analysed call
Q1 FY27
Ownership as of
Sept 2026

India's No.1 and world's No.2 gemological certification lab, grading diamonds, jewelry and colored stones.

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Reported

The figures, each with its period

Each figure keeps its basis and period; nothing is filled in.

MetricValueChangeBasisPeriodNote
Revenue398 ₹ crore+30.9% YoYQuarterly, as filedQuarter to Sept 2026Revenue from operations as filed.
Operating margin61.0 %+3.0 pts YoYOperating profit / revenueQuarter to Sept 2026For the quarter; a change is in percentage points.
Net profit186 ₹ crore+43.1% YoYQuarterly, as filedQuarter to Sept 2026Profit after tax as filed.
Return on equity38.09 %+15.6 ptsFY Mar 2026 vs FY Dec 2024Trailing twelve monthsTTM to Sept 2026Adjusted profit attributable to owners ÷ average owners’ equity.
Free cash flow margin33.98 %+0.4 ptsFY Mar 2026 vs FY Dec 2024Fiscal yearFY ending Mar 2026 · 15 months(Operating cash flow − fixed-asset purchases + disposals) ÷ revenue. Reported fiscal period: 15 months; amounts are not annualised.
Revenue growth (YoY)24.09 %−65.6 ptsFY Dec 2024 vs FY Dec 2023Trailing twelve monthsTTM to Sept 2026Revenue change against the same period one year earlier.

Source: Inve data from filed results; ratios from the Screener-verified panel · to Sept 2026

Guidance

What management said, and what became of it

4 of 6 judged targets kept · 8 open · verdicts reflect calls analysed to Q1 FY27.

International Gemological Institute Limited management guidance track record on Inve: 14 targets tracked across analysed earnings calls (4 achieved, 2 missed, 8 open).

TargetOriginal wordingSaidLatest callVerdict
Consolidated Revenue Growth15-20% for CY25
Call transcript, Q4 FY25 · 21 Apr 2025		Q4 FY25Q1 FY27:Promise relates to CY25 performance, which was confirmed as achieved. No new information.
Call transcript, Q1 FY27 · 23 Jul 2026		Achieved
PAT Margin57-64% for CY25
Call transcript, Q4 FY25 · 21 Apr 2025		Q4 FY25Q1 FY27:Promise relates to CY25 performance, which was confirmed as missed. No new information.
Call transcript, Q1 FY27 · 23 Jul 2026		Missed
PAT Margin40-45%
Call transcript, Q2 FY26 · 5 Nov 2025		Q2 FY26Q1 FY27:Delivered a consolidated PAT margin of 44.7% for the quarter, landing within the sustainable target range.
Call transcript, Q1 FY27 · 23 Jul 2026		On Track

Source: Inve Guidance Tracker for International Gemological Institute Limited · to Q1 FY27

A verdict describes what became of management’s own words in later analysed calls. “Delayed” is a change of date, “went quiet” a target the calls stopped mentioning. None of it is a judgement on the investment. The methodology sets out how verdicts are recorded.

2 of International Gemological Institute Limited's 14 targets were missed. See which ones, and which are quietly gone. The 3 above are the free sample; 11 more targets are in the full ledger.

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Price

₹385.3 +1.09% · +₹4.15

Last close 26 Oct 2026 · NSE · INR · Source: Inve

Performance +13.6% 1Y

₹300₹320₹340₹360₹380Oct 25Dec 25Jan 26Mar 26Apr 26Jun 26Jul 26Sept 26Oct 26Q2 FY26 — 4 Nov 2025Q3 FY26 — 27 Jan 2026Q4 FY26 — 20 May 2026Q1 FY27 — 23 Jul 2026

1Y: ₹339.15 on 24 Oct 2025 → ₹385.3. High ₹385.3 (26 Oct 2026), low ₹291 (27 Jan 2026).

Previous close
₹381.15
Market cap
₹16.7k Cr
52-week range
₹291 – ₹385.3
One year
+13.16%
Price to earnings (TTM to Sept 2026)
24.96×
Return on equity (TTM to Sept 2026)
38.09%

Overview

Symbol
NSE:IGIL
Sector
Services
Exchange
NSE
Currency
INR

What International Gemological Institute Limited does

Based on the company's own presentations, annual report and earnings calls.

International Gemological Institute (IGI) grades and certifies natural diamonds, lab-grown diamonds (LGD), diamond-set jewelry, and colored gemstones, issuing detailed grading reports used by manufacturers, retailers, and consumers to authenticate quality and origin. It earns fees per certification report processed through its network of gemological laboratories, and also runs the IGI School of Gemology, offering diploma and workshop-based training programmes to industry professionals. IGI operates advanced in-house testing instruments (spectrometers, D-Check machines) and a proprietary SwiftCert platform to manage submissions and issue certificates globally.

Segments

  • Natural Diamond (ND) Certification
  • Lab-Grown Diamond (LGD) Certification
  • Jewelry Certification (ND & LGD)
  • Colored Stones & Other Certification
  • Education (IGI School of Gemology)
India market position
No.1 gemological grading organisation in India, ~50% market share
Global market position
No.2 largest independent gemstone certification and accreditation laboratory worldwide, ~33% market share
LGD certification market position
Global No.1 in lab-grown diamond certification, ~65% market share
Countries with laboratory/school presence
10
Laboratories
31
Schools of Gemology
18, across 6 countries
Founded 1975Headquarters Mumbai, India Company website

How the price took the results

close before → close after

Q1 FY27
−0.8%
23 Jul
Q4 FY26
+5.9%
20 May
Q3 FY26
−2.0%
27 Jan
Q2 FY26
+9.7%
5 Nov

The move from the last close before each results date to the first close after it — the market's first read on the quarter, not the quarter itself.

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