Preferred Ratio for Oval
| Oval |
 |
 |
 |
 |
 |
| L+W= |
1.20 |
1.40 |
1.50 |
1.75 |
2.00 |
Preferred ratio: 1.50 | Range: 1.395-1.555
Oval cut diamonds are usually most pleasing at a 1.50 ratio. This makes the outline elongated enough to be different from a round, but not so long that it could be confused with a marquise.
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