Cover the canvas with glue.
Carefully lay the diamond art over the top of the canvas and eyeball center.
While the glue is still wet press the edges of the diamond art down over the edges of the canvas and slide the art until it is right where you want it.
Use the brayer to push the art into the glue and canvas. Turn over and brayer the backside as well.
Place the diamond canvas upside down on a cutting mat. Trim the edges of the diamond art so they stick out about 2 inches from the edge of the canvas.
Line the ruler against the canvas and with a craft knife cut from the edge of the canvas to the outer edge of the diamond art. Do this against each side of the canvas and then remove the rectangle out of each corner. Do this on all four corners.
To wrap, tightly pull up the edges of the diamond art around the canvas. Staple the Diamond Art to the wood canvas frame.