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Diamond Size Comparison
1ct Round vs 1ct Oval
Compare the real size of a 1ct Round and a 1ct Oval, sized to scale on a ring and finger and calibrated to your screen. Adjust either stone below to explore other combinations.
Stone A
1 ct
0.25 ct3 ct
Stone B
1 ct
0.25 ct3 ct
Ring size6½
Band width2.2 mm
Metal
Overall, 1ct Oval is 0% larger than 1ct Round when looked at from above.
Actual size
1ct Round
Actual size
1ct Oval
| Attribute | 1ct Round | 1ct Oval |
|---|---|---|
| Shape | Round | Oval |
| Weight | 1 ct | 1 ct |
| Measurements | 6.5×6.5×3.9 mm | 8×5.3×3.2 mm |
| Total depth % | 60% | 48.1% |
| Length / width ratio | 1 | 1.51 |
| Face-up area | 33.18 mm² | 33.3 mm² |
| Face-up area per carat | 33.18 mm²/ct | 33.3 mm²/ct |
| Approx. volume | 86.28 mm³ | 71.04 mm³ |
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1ct Round vs 1ct Oval at a glance
1ct Oval has approximately 0% more face-up area than 1ct Round.
| Attribute | 1ct Round | 1ct Oval |
|---|---|---|
| Shape | Round | Oval |
| Weight | 1 ct | 1 ct |
| Measurements | 6.5×6.5×3.9 mm | 8×5.3×3.2 mm |
| Total depth % | 60% | 48.1% |
| Length / width ratio | 1 | 1.51 |
| Face-up area | 33.18 mm² | 33.3 mm² |
| Face-up area per carat | 33.18 mm²/ct | 33.3 mm²/ct |
| Approx. volume | 86.28 mm³ | 71.04 mm³ |
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