International Gemmological Institute (India) Ltd. is an independent certification and accreditation services provider. The company engages in the grading of diamonds, gemstones, and jewelry. The companies services include: comprehensive diamond grading, evaluating the quality and authenticity of colored stones, grading and assessment of finished jewelry pieces, and conducting educational programs and courses..The company was founded on February 23, 1999 and is headquartered in Mumbai, India.