Updated as of June 2026
Round cut
The round cut is the most popular and most brilliant cut, engineered to maximize sparkle. Here is how it behaves and which stones show it off best.
Best gemstones for a round cut
7.0
Paraiba Tourmaline
Blue · Mohs 7.258.4Diamond
Colorless · Mohs 108.0Alexandrite
Green · Mohs 8.57.0Red Beryl
Red · Mohs 7.758.0Padparadscha Sapphire
Orange · Mohs 97.4Taaffeite
Purple · Mohs 87.8Ruby
Red · Mohs 96.8Emerald
Green · Mohs 7.56.6Benitoite
Blue · Mohs 6.57.2Lab-Grown Diamond
Colorless · Mohs 107.2Demantoid Garnet
Green · Mohs 6.757.8Black Diamond
Black · Mohs 10Each link opens the round guide for that stone, with price by carat and the best settings.
Frequently asked questions
What is a round cut?
A round cut is the most popular and most brilliant cut, engineered to maximize sparkle. It works across engagement rings, pendants, and earrings.
Is the round cut a good choice?
Yes for the right look. The most popular and most brilliant cut, engineered to maximize sparkle. Match it to the stone and setting you love, and check that the cut is well proportioned and symmetrical.
Which gemstones suit a round cut?
Most faceted stones are cut this way. Popular round choices include Paraiba Tourmaline, Diamond, Alexandrite, Red Beryl.