3.3ct Diamond (Cushion, 8.67×8.67mm, White) vs 4.2ct Emerald (Cushion, 10.28×10.28mm, Green)
Quick summary: When looked from above (face-up position), 4.2ct Emerald (10.28×10.28mm, cushion cut) appears 41% larger than 3.3ct Diamond (8.67×8.67mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 3.3ct Diamond (cushion cut) |
vs
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4.2ct Emerald (cushion cut) |
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white |
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| 8.67×8.67 mm | 10.28×10.28 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
3.3ct Diamond Cushion (8.67×8.67mm, White)
and
4.2ct Emerald Cushion (10.28×10.28mm, Green)
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
All things being equal, Diamond will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(3.52 vs. 2.72 - this means it's "heavier" compared to Emerald of the same size). Face-up size also depends heavily on 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.
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.
| 3.3 Ct Diamond (Cushion) | 4.2 Ct Emerald (Cushion) | |
| 8.67×8.67 mm | vs | 10.28×10.28 mm |
| 67.65 mm² | 95.11 mm² |
| 3.3ct Diamond Cushion (8.67×8.67mm) | |
| 4.2ct Emerald Cushion (10.28×10.28mm) | |
| Difference: 41% (27.46 mm²) |
4.2ct Emerald (Cushion, 10.28×10.28mm) has approx. 41% more face-up area than 3.3ct Diamond (Cushion, 8.67×8.67mm).
Popular comparisons:
- 3.3ct Diamond (Cushion, White, 8.67 x 8.67) vs. 3ct Diamond (Round, White, 9.37 x 9.37)
- 3.3ct Diamond (Cushion, White, 8.67 x 8.67) vs. 2.8ct Diamond (Cushion, White, 8.21 x 8.21)
- 3.3ct Diamond (Cushion, White, 8.67 x 8.67) vs. 3.3ct Diamond (Princess, White, 8.2 x 8.2)
- 3.3ct Diamond (Cushion, White, 8.67 x 8.67) vs. 3ct Diamond (Round, White, 9 x 9)
- 3.3ct Diamond (Cushion, White, 8.67 x 8.67) vs. 3.9ct Diamond (Oval, White, 12.78 x 8.52)
- 3.3ct Diamond (Cushion, White, 8.67 x 8.67) vs. 2.4ct Diamond (Cushion, White, 7.8 x 7.8)
- 3.3ct Diamond (Cushion, White, 8.67 x 8.67) vs. 4.4ct Diamond (Cushion, White, 9.55 x 9.55)
- 2ct Diamond (Cushion, White, 7.34 x 7.34) vs. 2ct Diamond (Round, White, 8.19 x 8.19)