Your best choice for quality, price and service

With over 30 years of experience buying and selling diamonds to the trade across Canada, we’re proud to offer you our in-stock certified and melee diamond list. As a leading wholesaler of certified and loose diamonds based in Toronto, you can be confident that we can handle all your custom order needs. Our highly experienced GIA graduate staff are specialized in buying, appraising and sorting all melee diamonds.

Dioro buys directly from the source and this allows us to offer extremely competitive prices. Visit us in our new showroom in downtown Toronto to shop our impressive selection of diamonds or order online.