Fancy Colour Diamonds & Fine Coloured Gemstones
Byrex Gems is a Toronto wholesaler of natural fancy colour diamonds, rubies, sapphires and emeralds, supplying jewellers, dealers and collectors since 1988. Every stone below comes from our live inventory, and approved trade buyers see prices.
Browse by stone
Each page explains what the stone is, how the laboratories grade it and what a jeweller checks before buying, with the stones listed today beneath. Approved trade buyers see prices; private clients are welcome by appointment at 27 Queen Street East, Suite 407, Toronto.
Fancy colour diamonds
All fancy colour diamonds · Pink diamonds · Argyle pink diamonds · Yellow diamonds · Blue diamonds · Green diamonds · Orange diamonds · Purple diamonds · Champagne and cognac diamonds · Grey diamonds · Chameleon diamonds · Fancy Vivid diamonds
Rubies and sapphires
Rubies · Burma rubies · Mozambique rubies · Pigeon's blood rubies · Unheated rubies · Star rubies · Blue sapphires · Royal blue sapphires · Cornflower blue sapphires · Ceylon sapphires · Burma sapphires · Kashmir sapphires · Madagascar sapphires · Unheated sapphires
Fancy sapphires
Padparadscha sapphires · Pink sapphires · Yellow sapphires · Teal sapphires · Purple and violet sapphires · Green sapphires · White sapphires · Peach sapphires · Fancy sapphires · Star sapphires
Emeralds and other gemstones
Emeralds · Colombian emeralds · Old Mine Colombian emeralds · Zambian emeralds · Spinel · Mahenge spinel · Alexandrite · Tsavorite garnet · Tourmaline · Paraiba tourmaline · Tanzanite · Aquamarine · Unheated gemstones · Matched pairs · Calibrated gemstones · Gemstone layouts
For buyers
Private clients · Our Toronto office · Bespoke jewellery and CAD design · Trade account · Stone search · Journal · Auction news