The shape of princess cut diamonds vary widely. There are different dimensions of princess cut engagement rings. The princess cut rings is either square or rectangular. There are different length-to-width ratios of princess cut diamond rings that are amazing. When you are looking for a princess diamond ring that is square in shape, you should look for the one with length-to-width ratio between 1 and 1.05 while for a rectangular shape you should look for the one with length-to-width ratio greater than 1.10. The most important aspect of a princess diamond ring’s appearance with other diamond settings are determined by how the stone is cut. A princess diamond that is cut well by an expert reveals a fantastic sparkle and brilliance. You should look for an engagement ring setting that matches the shape of the princess cut diamond. For example a rectangular center stone may not be desirable with certain ring settings.