20ct Diamond (Oval, 22.04×14.69mm, White) vs 1ct Emerald (Round, 6.82×6.82mm, Green)
Quick summary: When looked from above (face-up position), 20ct Diamond (22.04×14.69mm, oval cut) appears 7.3 times larger than 1ct Emerald (6.82×6.82mm, round cut). See below how they compare side-by-side on a ring and finger.
| 20ct Diamond (oval cut) |
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1ct Emerald (round cut) |
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white |
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| 22.04×14.69 mm | 6.82×6.82 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
20ct Diamond Oval (22.04×14.69mm, White)
and
1ct Emerald Round (6.82×6.82mm, 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.
| 20 Ct Diamond (Oval) | 1 Ct Emerald (Round) | |
| 22.04×14.69 mm | vs | 6.82×6.82 mm |
| 265.49 mm² | 36.53 mm² |
| 20ct Diamond Oval (22.04×14.69mm) | |
| 1ct Emerald Round (6.82×6.82mm) | |
| Difference: 627% (228.96 mm²) |
20ct Diamond (Oval, 22.04×14.69mm) has approx. 627% more face-up area than 1ct Emerald (Round, 6.82×6.82mm). In other words, it's 7.27x larger.
Popular comparisons:
- 20ct Diamond (Oval, White, 22.04 x 14.69) vs. 30ct Diamond (Emerald, White, 20.76 x 15.38)
- 20ct Diamond (Oval, White, 22.04 x 14.69) vs. 8ct Diamond (Marquise, White, 20.78 x 10.39)
- 20ct Diamond (Oval, White, 22.04 x 14.69) vs. 3ct Diamond (Trillion, White, 11.16 x 11.16)
- 20ct Diamond (Oval, White, 22.04 x 14.69) vs. 20ct Diamond (Round, White, 17.64 x 17.64)
- 20ct Diamond (Oval, White, 22.04 x 14.69) vs. 13ct Diamond (Pear, White, 21.28 x 12.82)
- 20ct Diamond (Oval, White, 22.04 x 14.69) vs. 1ct Diamond (Oval, White, 8.12 x 5.41)
- 20ct Diamond (Oval, White, 22.04 x 14.69) vs. 5ct Diamond (Marquise, White, 17.76 x 8.88)
- 20ct Diamond (Oval, White, 22.04 x 14.69) vs. 1.8ct Diamond (Oval, White, 9 x 7)