4ct Diamond (Cushion, 11×9mm, White) vs 3ct Diamond (Emerald, 10×8mm, White)
Quick summary: When looked from above (face-up position), 4ct Diamond (11×9mm, cushion cut) appears 20% larger than 3ct Diamond (10×8mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 4ct Diamond (cushion cut) |
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3ct Diamond (emerald cut) |
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white |
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| 11×9 mm | 10×8 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
4ct Diamond Cushion (11×9mm, White)
and
3ct Diamond Emerald (10×8mm, 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 Ct Diamond (Cushion) | 3 Ct Diamond (Emerald) | |
| 11×9 mm | vs | 10×8 mm |
| 89.1 mm² | 74.4 mm² |
| 4ct Diamond Cushion (11×9mm) | |
| 3ct Diamond Emerald (10×8mm) | |
| Difference: 20% (14.7 mm²) |
4ct Diamond (Cushion, 11×9mm) has approx. 20% more face-up area than 3ct Diamond (Emerald, 10×8mm).
Popular comparisons:
- 4ct Diamond (Cushion, White, 11 x 9) vs. 4ct Diamond (Cushion, White, 10 x 8)
- 4ct Diamond (Cushion, White, 11 x 9) vs. 3ct Diamond (Emerald, White, 9.64 x 7.14)
- 4ct Diamond (Cushion, White, 11 x 9) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 4ct Diamond (Cushion, White, 11 x 9) vs. 4ct Diamond (Round, White, 10 x 10)
- 4ct Diamond (Cushion, White, 11 x 9) vs. 5ct Diamond (Cushion, White, 10 x 10)
- 4ct Diamond (Cushion, White, 11 x 9) vs. 4ct Diamond (Emerald, White, 10.61 x 7.86)
- 4ct Diamond (Cushion, White, 11 x 9) vs. 1.5ct Diamond (Round, White, 7.44 x 7.44)
- 4ct Diamond (Cushion, White, 11 x 9) vs. 4ct Diamond (Round, White, 10.32 x 10.32)