13ct Diamond (Oval, 19.08×12.72mm, White) vs 1ct Emerald (Emerald, 7.28×5.39mm, Green)
Quick summary: When looked from above (face-up position), 13ct Diamond (19.08×12.72mm, oval cut) appears 5.5 times larger than 1ct Emerald (7.28×5.39mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 13ct Diamond (oval cut) |
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1ct Emerald (emerald cut) |
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white |
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| 19.08×12.72 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
13ct Diamond Oval (19.08×12.72mm, 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.
| 13 Ct Diamond (Oval) | 1 Ct Emerald (Emerald) | |
| 19.08×12.72 mm | vs | 7.28×5.39 mm |
| 199.01 mm² | 36.49 mm² |
| 13ct Diamond Oval (19.08×12.72mm) | |
| 1ct Emerald Emerald (7.28×5.39mm) | |
| Difference: 445% (162.52 mm²) |
13ct Diamond (Oval, 19.08×12.72mm) has approx. 445% more face-up area than 1ct Emerald (Emerald, 7.28×5.39mm). In other words, it's 5.45x larger.
Popular comparisons:
- 13ct Diamond (Oval, White, 19.08 x 12.72) vs. 15ct Diamond (Emerald, White, 17 x 13)
- 13ct Diamond (Oval, White, 19.08 x 12.72) vs. 6ct Diamond (Pear, White, 15 x 12)
- 13ct Diamond (Oval, White, 19.08 x 12.72) vs. 13ct Diamond (Emerald, White, 15.71 x 11.64)
- 13ct Diamond (Oval, White, 19.08 x 12.72) vs. 1ct Diamond (Marquise, White, 10.38 x 5.19)
- 13ct Diamond (Oval, White, 19.08 x 12.72) vs. 6ct Diamond (Oval, White, 14.75 x 9.83)
- 13ct Diamond (Oval, White, 19.08 x 12.72) vs. 5ct Diamond (Pear, White, 15.47 x 9.32)
- 13ct Diamond (Oval, White, 19.08 x 12.72) vs. 10ct Diamond (Round, White, 14 x 14)
- 13ct Diamond (Oval, White, 19.08 x 12.72) vs. 13ct Diamond (Pear, White, 21.28 x 12.82)