WGI LAB – World Gemological Institute Laboratory

WGI LAB is the UK’s largest independent gemological laboratory, based in Hatton Garden, London, with global expansion into Dubai, New York, and Hong Kong. We provide trusted diamond, gemstone, and jewellery certification, valuations, and advanced testing using state-of-the-art technology.

Recognised for precision, speed, and integrity, WGI LAB supports jewellers, auction houses, and private clients worldwide.