Updated as of June 2026
Diamond Carat Guide
Carat is weight, not size. Cut and shape change how large a given carat weight looks.
Elongated shapes like oval and marquise look larger per carat. Buying just under a round number (0.9 vs 1.0 ct) saves money for a near-identical look.
Frequently asked questions
Diamond Carat Guide?
Carat is weight, not size. Cut and shape change how large a given carat weight looks. Elongated shapes like oval and marquise look larger per carat. Buying just under a round number (0.9 vs 1.0 ct) saves money for a near-identical look.
What matters most?
Elongated shapes like oval and marquise look larger per carat. Buying just under a round number (0.9 vs 1.0 ct) saves money for a near-identical look.