GWLAB offers additional services to the diamond and gemstone industry besides the gemological laboratory and the GW college.

Jewelry condition inspection

The suite of additional services, based on our professionalism, high-end technology, and vast experience, include gem and jewelry appraisals (via GWLAB's sister company - EGA); expert consultations; groundbreaking research into new enhancements, synthetics and gem-related technology; and a gem instruments store.