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Diamond Size Comparison
0.5ct Round vs 1ct Round
Compare the real size of a 0.5ct Round and a 1ct Round, sized to scale on a ring and finger and calibrated to your screen. Adjust either stone below to explore other combinations.
Stone A
0.5 ct
0.25 ct3 ct
Stone B
1 ct
0.25 ct3 ct
Ring size6½
Band width2.2 mm
Metal
Overall, 1ct Round is 56% larger than 0.5ct Round when looked at from above.
Actual size
0.5ct Round
Actual size
1ct Round
| Attribute | 0.5ct Round | 1ct Round |
|---|---|---|
| Shape | Round | Round |
| Weight | 0.5 ct | 1 ct |
| Measurements | 5.2×5.2×3.1 mm | 6.5×6.5×3.9 mm |
| Total depth % | 59.6% | 60% |
| Length / width ratio | 1 | 1 |
| Face-up area | 21.24 mm² | 33.18 mm² |
| Face-up area per carat | 42.48 mm²/ct | 33.18 mm²/ct |
| Approx. volume | 43.89 mm³ | 86.28 mm³ |
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0.5ct Round vs 1ct Round at a glance
1ct Round has approximately 56% more face-up area than 0.5ct Round.
| Attribute | 0.5ct Round | 1ct Round |
|---|---|---|
| Shape | Round | Round |
| Weight | 0.5 ct | 1 ct |
| Measurements | 5.2×5.2×3.1 mm | 6.5×6.5×3.9 mm |
| Total depth % | 59.6% | 60% |
| Length / width ratio | 1 | 1 |
| Face-up area | 21.24 mm² | 33.18 mm² |
| Face-up area per carat | 42.48 mm²/ct | 33.18 mm²/ct |
| Approx. volume | 43.89 mm³ | 86.28 mm³ |
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