Diamond cut
Proportions
Columns: Benchmark | Crown height | Pavilion depth | Table diameter | Girdle thickness | Crown angle | Pavilion angle | Brilliance Grade
American Standard | 16.2% | 43.1% | 53.0% | N/A | 34.5° | 40.75° | 99.5% | Practical Fine Cut | 14.4% | 43.2% | 56.0% | N/A | 33.2° | 40.8° | 99.95% | Scandinavian Standard | 14.6% | 43.1% | 57.5% | N/A | 34.5° | 40.75° | 99.5% | Eulitz Brilliant | 14.45% | 43.15% | 56.5% | 1.5% | 33.36° | 40.48° | 100% | Ideal Brilliant | 19.2% | 40.0% | 56.1% | N/A | 41.1° | 38.7° | 98.4% | Parker Brilliant | 10.5% | 43.4% | 55.9% | N/A | 25.5° | 40.9° | Low | AGA | 14.0–16.3% | 42.8–43.2% | 53–59% | N/A | 34.0–34.7° | N/A | 100%