Editor’s Note
This article outlines a significant consolidation in the gemological sector, with IGI’s acquisition of AGL. It represents a strategic move to combine diamond grading leadership with colored stone expertise, potentially reshaping market standards and services.

MUMBAI, India & NEW YORK, USA, February 4, 2026 /PRNewswire/ — International Gemological Institute (IGI), one of the world’s largest and most trusted independent diamond grading and certification laboratories, today announced the acquisition of American Gemological Laboratories (AGL), a global leader in colored stone analysis and origin reporting. This transaction merges deep scientific expertise with unparalleled global scale and infrastructure, positioning the combined group at the forefront of certification and trust for the global jewelry industry.
The acquisition creates a global platform that combines IGI’s industry-leading market reach with AGL’s pioneering leadership in the colored stone sector. IGI and AGL will enhance transparency and innovation while maintaining the scientific independence and integrity that form the foundation of both organizations.
Strategic Synergy: IGI will provide AGL with access to its global infrastructure, creating an opportunity for AGL to expand its colored stone certification services beyond the US market. For IGI, the transaction diversifies revenue streams into the fast-growing colored stone sector and supports long-term growth through expanded research capabilities.
Business Continuity: Chris Smith will continue to serve as President and Chief Gemologist of AGL. The laboratory will remain headquartered in New York and operate independently under its highly regarded brand. No immediate operational changes are planned, with both organizations continuing to deliver the same technical standards while collaborating in areas such as new tools and origin proof services.
Leadership in Education: IGI will further enhance its global training programs by incorporating AGL’s specialized scientific knowledge and research methodologies.
Long-term Investment: Backed by Blackstone’s long-term investment approach, IGI will apply a disciplined strategy to support AGL’s continued growth and scientific leadership.
Founded in 1977, AGL is a pioneer in origin reporting in the United States, serving top luxury brands, auction houses, manufacturers, and private collectors worldwide. This transaction strengthens the strategic link between the United States, the world’s largest luxury jewelry market, and India, a global hub for gemstone manufacturing.
Dev Shetty, Founder and CEO of Jemora Group and former executive of Gemfields and Fura Gems, served as the strategic advisor for this transaction.