Round cut diamonds

A round cut diamond: the classic circle. Known for the most brightness of any cut, and the most popular shape.

Style
Brilliant, 57 or 58 facets
Looks
The classic circle.
In RXXO
1 in 3 diamonds

Round in RXXO

860diamonds like this in RXXO right now

Questions

What does a round cut diamond look like?

The classic circle.

How rare is a round diamond in RXXO?

About 1 in 3. The heart is the rarest shape in RXXO, round the most common.

RXXO numbers are the odds every mint draws from. Updated 8 October 2026.