Established in 1985, Gemological Trading – Seattle Diamonds® is located in downtown Seattle. We source and inventory ideal cut certified diamonds, gemstones and fine jewelery. Staff Graduate Gemologists will find an exact match to meet or exceed your expectations commensurate with your budget. Our company adheres to a process that ensures all diamonds we sell are free from conflict. Furthermore, as an exclusive supplier, we offer branded conflict-free diamonds which have been mined, cut, polished and certified in Canada.