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IGI India Q2 & H1 CY25 Concall Decoded: Diamonds May be Forever, But Margins Sparkle Harder

Opening Hook

Who knew grading shiny rocks could be this profitable? While most companies are sweating over costs, International Gemmological Institute (India) Limited (IGI India) is out here flaunting EBITDA margins that luxury brands would kill for. Tariffs? Shrugged. GIA’s retreat from LGD 4C grading? A free runway. Add to that a 65% global share in lab-grown diamond certification, and you have a company that’s basically the Thanos of gem labs – collecting market share like infinity stones.

Here’s what we decoded from the bling-filled confessional they called a concall.


At a Glance

  • Revenue: ₹314 Cr – up 20%, because certification is the new gold rush.
  • EBITDA Margin: 58% – shining brighter than most jewellers’ gross margins.
  • PAT: ₹127 Cr – up 63%; margins so fat they need a separate diamond cut.
  • Volumes: 3.03 million reports – a 21% growth; consumers love their paperwork.
  • LGD Certification: 24% growth – lab-grown isn’t just a trend; it’s the future bling.

The Story So Far

IGI India continues to dominate the diamond certification space, with over 65% share in lab-grown diamonds globally. While GIA fumbled with its 4C grading strategy, IGI doubled down on full certification, leveraging its neutrality and expertise. The company benefited from rising LGD adoption, strong jewelry certification demand, and expanding global operations.

Even tariffs and a sluggish US market didn’t dim IGI’s sparkle. The Netherlands and Dubai labs delivered double-digit growth, and AI investments promise faster and more accurate certification.


Management’s Key Commentary

  1. On Market Leadership:
    “We certify what the consumer wants, no confusion.”
    Translation: GIA blinked, we banked.
  2. On Margins:
    “58% EBITDA margin is within our guidance of 57–64%.”
    Translation: Our margins wear crowns.
  3. On US Tariffs:
    “No direct impact on us.”
    Translation: Retailers may cry, but IGI keeps cashing in.
  4. On AI Investments:
    “Building AI capability to enhance service delivery.”
    Translation: Robots will soon grade your diamonds faster than you can say “carat”.
  5. On Lab-Grown Jewelry:
    “Awareness is rising; acceptance
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