Hearts and arrows is a style of cut used for round brilliant gems. Looking at the pattern is also a way of measuring optical symmetry, while gem laboratories only measure physical symmetry.

The Hearts and Arrows pattern appears in brilliant-cut gems that have very good parallelism and symmetry. With a Hearts and Arrows cut command a price premium in the world's market, reflecting the generally greater time needed to produce them and the greater loss of weight from rough, as well as their generally better overall cut quality. It has also become a popular sales tool in the marketing.