Oval Cut Features
- **Length-to-width ratio**: Ideal ratio is 1.3:1 to 1.5:1 (slim and lean), common range 1.2:1 to 1.7:1.
- **Number of facets**: usually 57-58 facets (similar to a round brilliant cut) for excellent fire color.
- **Size effect**: due to the oval extension, it is visually larger than a round stone of the same carat by 10-15%.