The International Gemological Institute (IGI) is a leading organization that specializes in the grading and certification of gemstones and jewelry. Founded in 1975, IGI provides unbiased assessments of diamonds, colored stones, and pearls, ensuring that consumers and industry professionals can trust the quality and authenticity of their purchases. With laboratories located worldwide, IGI employs expert gemologists who use advanced technology to evaluate the characteristics of gemstones. Their certifications include detailed reports that outline essential information such as carat weight, color, clarity, and cut, helping buyers make informed decisions in the jewelry market.