Since 1988, Byrex Gems Inc. has been synonymus with the finest quality coloured gem stones and colourstone jewellery. With unparalleled global sourcing expertise and exceptional craftsmanship, including the development of the Authentic Optix® cut, we've continued to build a reputation for industry-class quality, turnaround and customization.Byrex is headquarted at the hub of Canada's Jewellery wholesaling industry at 21 Dundas Square in Toronto, Ontario. From here at Dundas Square, and also through our various branch and affiliate offices in Canada, the US, India and the UK, we are proud to service jewellers, jewellery designers and manufacturers with a wide range of product including both standard faceted and authentic Optix® cut gems, custom stones, one-of-a-kind pieces as well as classic colourstone jewellery designs. more... See more text