Diamond mosaic supplies form the units of diamond mosaic art. Some of the supplies are canvases that have adhesive, diamonds of different sizes and shape, tweezers, applicators and storage boxes. The diamond mosaic canvases boast high quality since the adhesive is strong enough to hold the diamond in place. The diamonds come in either round or square shapes and they can be made out of either resin or glass. With the right quality of supplies, the finished diamond mosaic can be pleasing to look at and durable at the same time.