Who we are


When it comes to the field of testin precisious stone and if there is any name in Kolkata it is the Gemological Identification Laboratory (GIL). GIL is a not-profit organization dedicated there work in testing in the field of gems and jewellery. GIL is an independent laboratory that provides professional grading services to the gems & jewellery industry.

By combining innovative thinking, new technology, and methodology globally we provide top service to the gems & jewellery industry. Our gemological laboratory is so equipped thst it can meet challenges that evolves day by day in the industry. We protect diamond retailers, manufacturers, traders and even end consumers, by providing them quality reports and professional services.

What we do

With highly qualified team we grade each stone with thorough detail supported by the latest technology. GIL's mission is to gain public trust in gems and jewellery by upholding the highest standards of integrity, academics, science, and professionalism.

GIL does not endorse or recommend any commercial product, company or individual, with websites that may offer a link for any related services to the Gemological Identification Laboratory website as GIL is a neutral organisation.