7ct Diamond (Emerald, 12.78×9.47mm, White) vs 1ct Emerald (Emerald, 7.28×5.39mm, Green)
Quick summary: When looked from above (face-up position), 7ct Diamond (12.78×9.47mm, emerald 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 (emerald cut) |
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1ct Emerald (emerald cut) |
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white |
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| 12.78×9.47 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 Emerald (12.78×9.47mm, 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 (Emerald) | 1 Ct Emerald (Emerald) | |
| 12.78×9.47 mm | vs | 7.28×5.39 mm |
| 112.55 mm² | 36.49 mm² |
| 7ct Diamond Emerald (12.78×9.47mm) | |
| 1ct Emerald Emerald (7.28×5.39mm) | |
| Difference: 208% (76.06 mm²) |
7ct Diamond (Emerald, 12.78×9.47mm) has approx. 208% more face-up area than 1ct Emerald (Emerald, 7.28×5.39mm). In other words, it's 3.08x larger.
Popular comparisons:
- 7ct Diamond (Emerald, White, 12.78 x 9.47) vs. 5ct Diamond (Emerald, White, 11.42 x 8.46)
- 7ct Diamond (Emerald, White, 12.78 x 9.47) vs. 5.5ct Diamond (Pear, White, 15.97 x 9.62)
- 7ct Diamond (Emerald, White, 12.78 x 9.47) vs. 4.25ct Diamond (Round, White, 10.53 x 10.53)
- 7ct Diamond (Emerald, White, 12.78 x 9.47) vs. 3ct Diamond (Emerald, White, 9.64 x 7.14)
- 7ct Diamond (Emerald, White, 12.78 x 9.47) vs. 10ct Diamond (Round, White, 14 x 14)
- 7ct Diamond (Emerald, White, 12.78 x 9.47) vs. 10ct Diamond (Emerald, White, 14.39 x 10.66)
- 7ct Diamond (Emerald, White, 12.78 x 9.47) vs. 5ct Diamond (Pear, White, 15 x 10)
- 7ct Diamond (Emerald, White, 12.78 x 9.47) vs. 11ct Morganite (Emerald, Light Purple, 16.19 x 11.99)