Press Release

October 21, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G Dalal Street, Fort, Bandra Kurla Complex Mumbai - 400 001 Bandra (East), Mumbai - 400 051 BSE Scrip Code: 544311 NSE Symbol: IGIL Subject: Press Release on unaudited standalone and consolidated financial results for the quarter and half year ended September 30, 2026 Dear Sir/Madam, Pursuant to Regulation 30 read with Part A of Schedule III of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, we are enclosing herewith the Press Release on the unaudited standalone and consolidated financial results for the quarter and half year ended September 30, 2026. The aforesaid information will be made available on the Company's website at www.igi.org. This is for your information and record. Thanking you, Yours faithfully, For International Gemological Institute Limited Nitika Dalmia Company Secretary and Compliance Officer Encl: a/a International Gemological Institute (IGI) delivers strong Q2FY27 performance; Revenue up 31%, EBITDA up by 39% YoY PRESS RELEASE: Mumbai, October 21, 2026 International Gemological Institute Limited (IGI), one of the world’s largest independent grading and accreditation services providers, reported strong performance for the quarter and half-year ended September 30, 2026. Consolidated revenue from operations grew 31% YoY to INR 3,980 Mn in Q2 FY27, while EBITDA grew 39% to INR 2,445 Mn. EBITDA Margin expanded 340 bps to 61.4%, from 58.0% in Q2 FY26. PAT grew 43% to INR 1,858 Mn, at margin of 46.7%. Growth was broad-based across segments, with LGD loose stones up 37% YoY, LGD jewelry up 47%, natural diamond loose stones up 8%, natural diamond jewelry up 3% and colored gemstones up 7x, including AGL. IGI delivered 4.35 Mn reports in the quarter, up 26% YoY. For H1 FY27, revenue from operations grew 27% to INR 7,688 Mn and EBITDA grew 34% to INR 4,683 Mn. EBITDA Margins rose from 57.8% in H1 FY26 to 60.9% in H1 FY27. PAT grew 37% to INR 3,516 Mn, at a margin of 45.7%. Report volumes grew 22% to 7.91 million. Key financial highlights – IGI Consolidated (INR Mn): Quarter Q2 FY27 Q2 FY26 YoY Growth % Revenue 3,980 3,037 31% EBITDA 2,445 1,763 39% PBT 2,456 1,755 40% PAT 1,858 1,298 43% Half Year H1 FY27 H1 FY26 YoY Growth % Revenue 7,688 6,046 27% EBITDA 4,683 3,497 34% PBT 4,684 3,504 34% PAT 3,516 2,563 37% Commenting on results, Mr. Tehmasp Printer, Managing Director and CEO of IGI said, "Q2FY27 was marked by healthy demand trends and strong operational execution, with Q2 consolidated revenue up 31% and PAT up 43% year-on-year. IGI is category-neutral by design - certifying natural diamonds, lab-grown diamonds, jewelry and colored gemstones to give buyers and sellers independent, consistent assurance of what they are buying. Lab-grown diamonds have started to witness higher adoption, while natural diamonds and gemstones remain a key growth lever for us. As the industry enters its peak festive season in India and the US holiday ordering cycle ramps up, retailers and manufacturers are positioning for higher demand, and we are seeing encouraging trends across all our business segments. Backed by our global footprint, diversified certification portfolio and continued investments in technology, brand and customer engagement, we remain well positioned to capitalize on these opportunities and drive sustainable long-term growth.” Industry Trends and Strategic Outlook The global gems and jewelry industry is witnessing a gradual broadening of growth drivers, with value creation increasingly shifting beyond traditional diamond categories. Manufacturers, retailers and brands are expanding product offerings across lab-grown diamonds, colored gemstones and customised jewelry, reflecting a more diversified consumer landscape and creating new opportunities across the industry ecosystem. India continues to strengthen its position as a strategic hub for the global jewelry industry, supported by its manufacturing capabilities, skilled workforce and growing domestic consumption. Industry stakeholders are increasingly focused on moving up the value chain through branded products, innovation and stronger engagement with end consumers across international markets. Technology is also becoming a more important differentiator across the sector. The adoption of AI, automation and digital workflows is helping improve efficiency, consistency and turnaround times across various stages of the jewelry value chain. As product categories expand and consumer expectations evolve, industry participants are investing in capabilities that support scalability, accuracy and enhanced customer experience. Against this backdrop, IGI remains focused on strengthening its global platform through investments in technology, laboratory capabilities and market development initiatives. Our diversified exposure across natural diamonds, lab-grown diamonds, jewelry and colored gemstones provides multiple avenues of growth, while our global footprint positions us to benefit from evolving industry trends and increasing participation across the broader jewelry ecosystem. About IGI The International Gemological Institute Limited (IGI), a Blackstone-backed company, is India’s largest independent accreditation and certification services provider with a 50% market share. With 37 laboratories and 21 Schools of Gemology in 10 countries, IGI's global presence enables it to capitalize on the ongoing transformation in industry. For 50 years, IGI has provided the fine jewelry community and consumers with a broad range of services, including natural and laboratory-grown diamond reports, colored stone grading and origin reports, as well as jewelry identification and appraisal reports. With the rise of lab-grown diamonds, IGI screens millions of natural and lab-grown diamonds to ensure that the industry and consumers receive the product they expect. Regardless of location or marketplace, authentic IGI Laboratory Reports empower trust and confidence among buyers and sellers alike. Media Contact: Investor Relations Contact: IGI India - Brand Manager - Marketing IGI India – Head, Investor Relations & Public Relations Yashita Tawde Ms. Natasha Kedia media.relations@igi.org investor.relations@igi.org +91 98925 34180 022-40352550 Public Relations: MUFG Intime Nikunj Seth Belinda Dokras – Director Belinda.Dokras@dentsu.com nikunj.seth@in.mpms.mufg.com +91 98202 84220 +91 9773397958