The first step in selecting the diamond of your dreams is choosing a shape that is right for you. The amount of facets on a diamond varies from 40 facets to 58 facets. These facets refract the light within a diamond, making a diamond shine bright. The round brilliant cut has 58 facets, making this shape one of the most popular as the light refracts the most. Learn more about the round brilliant cut shape as well as fancy cut diamonds such as oval, emerald, and princess cut diamonds. See below for available shapes.