4ct Diamond (Emerald, 10.61×7.86mm, White) vs 3ct Diamond (Cushion, 8.4×8.4mm, White)
Quick summary: When looked from above (face-up position), 4ct Diamond (10.61×7.86mm, emerald cut) appears 22% larger than 3ct Diamond (8.4×8.4mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 4ct Diamond (emerald cut) |
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3ct Diamond (cushion cut) |
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white |
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| 10.61×7.86 mm | 8.4×8.4 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 Emerald (10.61×7.86mm, White)
and
3ct Diamond Cushion (8.4×8.4mm, 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 (Emerald) | 3 Ct Diamond (Cushion) | |
| 10.61×7.86 mm | vs | 8.4×8.4 mm |
| 77.56 mm² | 63.5 mm² |
| 4ct Diamond Emerald (10.61×7.86mm) | |
| 3ct Diamond Cushion (8.4×8.4mm) | |
| Difference: 22% (14.06 mm²) |
4ct Diamond (Emerald, 10.61×7.86mm) has approx. 22% more face-up area than 3ct Diamond (Cushion, 8.4×8.4mm).
Popular comparisons:
- 4ct Diamond (Emerald, White, 10.61 x 7.86) vs. 4ct Diamond (Round, White, 10.32 x 10.32)
- 4ct Diamond (Emerald, White, 10.61 x 7.86) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4ct Diamond (Emerald, White, 10.61 x 7.86) vs. 3ct Diamond (Oval, White, 11.7 x 7.8)
- 4ct Diamond (Emerald, White, 10.61 x 7.86) vs. 6ct Diamond (Emerald, White, 12.14 x 8.99)
- 4ct Diamond (Emerald, White, 10.61 x 7.86) vs. 4.5ct Diamond (Emerald, White, 11.03 x 8.17)
- 4ct Diamond (Emerald, White, 10.61 x 7.86) vs. 4ct Emerald (Emerald, Green, 11.56 x 8.56)
- 4ct Diamond (Emerald, White, 10.61 x 7.86) vs. 4ct Diamond (Marquise, White, 16.48 x 8.24)
- 4ct Diamond (Emerald, White, 10.61 x 7.86) vs. 5ct Emerald (Emerald, Green, 12.45 x 9.22)