Radiant cut
JewelryWiki Editorial·2 sources·Reviewed 2026-08-04
Brilliant faceting in a rectangular outline with cropped corners — a step-cut silhouette that behaves like a brilliant.
Properties
| Property | Value | Authority |
|---|---|---|
| Cut style | Brilliant [1] | — |
| Receives a GIA cut grade | No [1] GIA issues cut grades only for the standard round brilliant; all other shapes are fancy shapes and receive none. | — |
| Typical facet count | Around 70 in common trade descriptions [2] Trade source. Fancy-shape facet counts are not standardised and published figures differ. | — |
| Optical character | Brilliant faceting despite the step-cut outline, which is the whole point of the shape. [1] | — |
| What to watch for | Rectangularity varies widely between stones sold under the same name. Judge the individual outline, not the label. [1] | — |
Sources
- GIA — Guide to Diamond Engagement Ring Shapes — Gemological Institute of America (GIA 4Cs, Guide to Diamond Shapes)
- Trade sources on fancy-shape facet counts — Jewellery trade publishers (Trade facet-count references)