The princess diamond is the most popular shape after the round brilliant and is typically square in shape, although it can also be rectangular. The princess shape displays the same high degree of brilliance as the round brilliant. It is a unique and distinctive alternative to the popular round brilliant.

Length-to-width ratio of Princess Diamond determines how a diamond will look like when viewed from above. For round shaped diamond, look for a length-to-width ratio between 1 and 1.1. Table should be between 65-80% and the depth between 65-75%.