7ct Diamond (Cushion, 11.15×11.15mm, White) vs 1ct Emerald (Emerald, 7.28×5.39mm, Green)
Quick summary: When looked from above (face-up position), 7ct Diamond (11.15×11.15mm, cushion cut) appears 3.1 times larger than 1ct Emerald (7.28×5.39mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 7ct Diamond (cushion cut) |
vs
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1ct Emerald (emerald cut) |
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white |
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| 11.15×11.15 mm | 7.28×5.39 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
7ct Diamond Cushion (11.15×11.15mm, White)
and
1ct Emerald Emerald (7.28×5.39mm, 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.
| 7 Ct Diamond (Cushion) | 1 Ct Emerald (Emerald) | |
| 11.15×11.15 mm | vs | 7.28×5.39 mm |
| 111.89 mm² | 36.49 mm² |
| 7ct Diamond Cushion (11.15×11.15mm) | |
| 1ct Emerald Emerald (7.28×5.39mm) | |
| Difference: 207% (75.4 mm²) |
7ct Diamond (Cushion, 11.15×11.15mm) has approx. 207% more face-up area than 1ct Emerald (Emerald, 7.28×5.39mm). In other words, it's 3.07x larger.
Popular comparisons:
- 7ct Diamond (Cushion, White, 11.15 x 11.15) vs. 5ct Diamond (Round, White, 11.11 x 11.11)
- 7ct Diamond (Cushion, White, 11.15 x 11.15) vs. 1.59ct Spinel (Oval, Red, 9.15 x 6.1)
- 7ct Diamond (Cushion, White, 11.15 x 11.15) vs. 5ct Diamond (Cushion, White, 10.5 x 9.4)
- 7ct Diamond (Cushion, White, 11.15 x 11.15) vs. 6ct Diamond (Emerald, White, 12.14 x 8.99)
- 7ct Diamond (Cushion, White, 11.15 x 11.15) vs. 7ct Spinel (Emerald, Red, 12.65 x 9.37)
- 7ct Diamond (Cushion, White, 11.15 x 11.15) vs. 5ct Diamond (Marquise, White, 17.76 x 8.88)
- 7ct Diamond (Cushion, White, 11.15 x 11.15) vs. 22ct Diamond (Round, White, 18.21 x 18.21)
- 7ct Diamond (Cushion, White, 11.15 x 11.15) vs. 8ct Diamond (Cushion, White, 11.65 x 11.65)