Out of these, diamond ring shapes is one of the most important things. Even though round diamond rings are the most popular ones, diamond square rings are ruling the field now.       In square diamond variants, princess cut diamonds are one of the most popular options. In fact, it is the second most popular diamond ring shape after round brilliant cut diamonds. It will be really challenging to find a princess cut diamond ring that is flashy, brilliant, and really superior. This adds to its overall expense. Below are some of the major upsides of choosing princess cut diamond rings.