International Gemological Institute (IGI)

The International Gemological Institute (IGI) is a well-respected organization that evaluates and certifies gemstones and diamonds. Founded in 1975, IGI provides detailed reports on a gem's quality, including its cut, color, clarity, and carat weight. This certification helps consumers and jewelers make informed decisions when buying or selling precious stones, ensuring transparency in the market. IGI operates globally, with offices in various countries, and is recognized for its commitment to quality and integrity in the gem industry. Their reports are often used to establish the value and authenticity of gemstones.