0.18ct Diamond (Pear, 5.11×3.08mm, White) vs 1ct Emerald (Emerald, 7.28×5.39mm, Green)
Quick summary: When looked from above (face-up position), 1ct Emerald (7.28×5.39mm, emerald cut) appears 3.2 times larger than 0.18ct Diamond (5.11×3.08mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 0.18ct Diamond (pear cut) |
vs
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1ct Emerald (emerald cut) |
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white |
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| 5.11×3.08 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
0.18ct Diamond Pear (5.11×3.08mm, 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.
| 0.18 Ct Diamond (Pear) | 1 Ct Emerald (Emerald) | |
| 5.11×3.08 mm | vs | 7.28×5.39 mm |
| 11.49 mm² | 36.49 mm² |
| 0.18ct Diamond Pear (5.11×3.08mm) | |
| 1ct Emerald Emerald (7.28×5.39mm) | |
| Difference: 218% (25 mm²) |
1ct Emerald (Emerald, 7.28×5.39mm) has approx. 218% more face-up area than 0.18ct Diamond (Pear, 5.11×3.08mm). In other words, it's 3.18x larger.
Popular comparisons:
- 0.18ct Diamond (Pear, White, 5.11 x 3.08) vs. 0.38ct Diamond (Pear, White, 6.56 x 3.95)
- 0.18ct Diamond (Pear, White, 5.11 x 3.08) vs. 0.64ct Sapphire (Oval, Blue, 6.53 x 4.35)
- 0.18ct Diamond (Pear, White, 5.11 x 3.08) vs. 0.45ct Sapphire (Pear, Violet, 6.36 x 3.83)
- 0.18ct Diamond (Pear, White, 5.11 x 3.08) vs. 3.63ct Ruby (Oval, Red, 11.63 x 7.75)
- 0.18ct Diamond (Pear, White, 5.11 x 3.08) vs. 3.48ct Ruby (Oval, Red, 11.46 x 7.64)
- 0.18ct Diamond (Pear, White, 5.11 x 3.08) vs. 0.1ct Diamond (Round, White, 3.02 x 3.02)
- 3ct Diamond (Pear, White, 13.05 x 7.86) vs. 3.3ct Topaz (Pear, Blue, 12.9 x 7.77)
- 0.8ct Diamond (Pear, White, 8.4 x 5.06) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)