International Gemological Institute Ask about this Research this Follow this 3 signals · Last mention 6/14/2026 Signals mentioning International Gemological Institute 6/14/2026 Men's diamond jewellery tripled since 2020, now 15% of India's ₹8.7 lakh crore market 5/21/2026 IGI guides 15% revenue, 20% EBITDA growth for FY27 on diamond, lab-grown surge