4.5ct Diamond (Round, 10.73×10.73mm, White) vs 3ct Diamond (Round, 9.37×9.37mm, White)
Quick summary: When looked from above (face-up position), 4.5ct Diamond (10.73×10.73mm, round cut) appears 31% larger than 3ct Diamond (9.37×9.37mm, round cut). See below how they compare side-by-side on a ring and finger.
| 4.5ct Diamond (round cut) |
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3ct Diamond (round cut) |
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white |
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| 10.73×10.73 mm | 9.37×9.37 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
4.5ct Diamond Round (10.73×10.73mm, White)
and
3ct Diamond Round (9.37×9.37mm, White)
as they would appear on a ring and finger.
Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Face-up Size
The face-up size depends on the shape of the gem, its weight and the proportions of the cut. Face-up area is a measure of the size of the gem when viewed from above (as set in a ring).
It tells you how big the gem is at the girdle plane.
| 4.5 Ct Diamond (Round) | 3 Ct Diamond (Round) | |
| 10.73×10.73 mm | vs | 9.37×9.37 mm |
| 90.43 mm² | 68.96 mm² |
| 4.5ct Diamond Round (10.73×10.73mm) | |
| 3ct Diamond Round (9.37×9.37mm) | |
| Difference: 31% (21.47 mm²) |
4.5ct Diamond (Round, 10.73×10.73mm) has approx. 31% more face-up area than 3ct Diamond (Round, 9.37×9.37mm).
Popular comparisons:
- 4.5ct Diamond (Round, White, 10.73 x 10.73) vs. 6ct Diamond (Emerald, White, 12.3 x 8.6)
- 4.5ct Diamond (Round, White, 10.73 x 10.73) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4.5ct Diamond (Round, White, 10.73 x 10.73) vs. 5ct Diamond (Round, White, 11.11 x 11.11)
- 4.5ct Diamond (Round, White, 10.73 x 10.73) vs. 4.8ct Diamond (Round, White, 10.96 x 10.96)
- 4.5ct Diamond (Round, White, 10.73 x 10.73) vs. 5.5ct Diamond (Emerald, White, 12 x 8.5)
- 4.5ct Diamond (Round, White, 10.73 x 10.73) vs. 6ct Diamond (Emerald, White, 12.5 x 8.7)
- 4.5ct Diamond (Round, White, 10.73 x 10.73) vs. 6ct Diamond (Emerald, White, 12 x 8.5)
- 4.5ct Diamond (Round, White, 10.73 x 10.73) vs. 0.93ct Sapphire (Round, Light Gray, 6 x 6)