The World Gemological Institute (WGI) was established to provide professional, precise and efficient gemological services to the global jewellery industry with our newest headquarter laboratory located in the heart of London’s diamond district, Hatton Gardens.
Over years the expert Gemologists at World Gemological Institute (WGI) have built a solid standing reputation as one of the leaders in the Industry. Our appraisals and lab reports are recognized worldwide by insurance companies, retailers, private jewellers and wholesalers. We offer a number of different appraisals and comprehensive laboratory services to suit our customers’ needs.