A round diamond looks stunning with a pave diamond band and hidden halo because these settings enhance the diamond's classic brilliance and sparkle. The pave band provides a continuous stream of small diamonds that complement the round cut's fire and scintillation, creating a unified, radiant effect.

The hidden halo adds extra layers of sparkle from beneath, boosting the overall brilliance and highlighting the round diamond’s central position. Together, these elements create a glamorous and cohesive look that maximizes the round diamond's timeless beauty and shine.