Gemological Science International (GSI) established in 2005 in New York is one of the largest gemological laboratories in the world. From the day one, when GSI opened its door in New York, we are committed to maintaining the same highest standards in our offices worldwide. GSI’s commitment has always been to meet the clients’ demand beyond expectations. Therefore, we pride ourselves in providing quality service with a personal touch that our clients always appreciate and respect. As the demand for the GSI certification is increasing, we are planning to further expand our presence in India and worldwide. In recent years, we have expanded our global footprint by opening offices in the United States, India, Israel, Belgium and Botswana.

We offer reliable, fast, and professional gemstone identification as well as grading and appraisal services to the global fine jewellery industry. GSI is the only major gemological laboratory established in the 21st century. Within a relatively short period of time, GSI has grown to become one of the largest gem labs in the world.
With advanced and comprehensive professional education service which includes enhanced modules on selling techniques, training sessions for the retailers, gemological research, gemstone identification including treatment and grading services, we deliver confidence and peace of mind to our valued customers worldwide.

Apart from customized reports, we work with our clients on one-on-one basis to understand their unique requirements to come up with customised solutions. It’s a mutually beneficial relationship. We work with major retailers in United States as well as in the UK, Australia and other countries. Customized reports, customized solutions, competitive pricing, e-report, fastest turnaround, laser inscriptions etc. are what make GSI the most sought after lab worldwide. From New York City to Antwerp and Mumbai, we work in close proximity with our clients. Our goal is to make gem lab services as reliable and convenient as possible for leading companies in the gem and jewellery trade.

RJIF is a great initiative. It offers an opportunity to the retailers from different parts of the country to come together and connect and gain knowledge and insights on new developments in the trade and other relevant spheres influencing the jewellery retail.