GIL, also known as Gem International Laboratories, is an internationally recognized gemstone testing institution specializing in the comprehensive analysis of diamonds and colored gemstones.
Founded in 1978 in New York, USA, GIL’s headquarters is based there. Today, the laboratory has expanded its operations to multiple countries and regions, including South Africa, India, Sri Lanka, Hong Kong, and Shenzhen, China, offering high-quality services to clients worldwide.
GIL pioneered the unique "Aurora Code" technology for diamonds and is equipped with advanced equipment capable of accurately analyzing and evaluating the quality, purity, and value of jewelry. This allows consumers to have a clearer and more comprehensive understanding of the value and quality of the jewelry they purchase.
With its unique technology and a professional team of gemologists, jewelry appraisers, and technical experts, GIL officially entered the mainland Chinese market. Its comprehensive database, strong academic research foundation, and reliable gemstone testing services will provide strong support in establishing authoritative colored gemstone certification standards and a service system in China.
As a global leader in gemstone identification, GIL is dedicated to safeguarding consumer interests and assigning every colored gemstone an authoritative and permanent Aurora Code.