The Gemological Institute of America (GIA) is a world-renowned nonprofit institute dedicated to research and education in the field of gemology and the jewelry arts. Founded in 1931, GIA sets global standards for gemstone identification, grading, and quality assurance, including the well-known 4Cs (Color, Clarity, Cut, Carat weight) for diamonds. GIA offers a range of educational programs in gemology, jewelry design, and jewelry manufacturing, as well as conducting cutting-edge research and providing certification services to ensure transparency and trust in the gem and jewelry industry.