8ct Diamond (Pear, 18.09×10.9mm, White) vs 1ct Emerald (Emerald, 7.28×5.39mm, Green)
Quick summary: When looked from above (face-up position), 8ct Diamond (18.09×10.9mm, pear cut) appears 3.9 times larger than 1ct Emerald (7.28×5.39mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 8ct Diamond (pear cut) |
vs
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1ct Emerald (emerald cut) |
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white |
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| 18.09×10.9 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
8ct Diamond Pear (18.09×10.9mm, 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.
| 8 Ct Diamond (Pear) | 1 Ct Emerald (Emerald) | |
| 18.09×10.9 mm | vs | 7.28×5.39 mm |
| 143.94 mm² | 36.49 mm² |
| 8ct Diamond Pear (18.09×10.9mm) | |
| 1ct Emerald Emerald (7.28×5.39mm) | |
| Difference: 294% (107.45 mm²) |
8ct Diamond (Pear, 18.09×10.9mm) has approx. 294% more face-up area than 1ct Emerald (Emerald, 7.28×5.39mm). In other words, it's 3.94x larger.
Popular comparisons:
- 8ct Diamond (Pear, White, 18.09 x 10.9) vs. 12ct Diamond (Pear, White, 20.72 x 12.48)
- 8ct Diamond (Pear, White, 18.09 x 10.9) vs. 5ct Diamond (Emerald, White, 11.42 x 8.46)
- 8ct Diamond (Pear, White, 18.09 x 10.9) vs. 10ct Diamond (Pear, White, 19.49 x 11.74)
- 8ct Diamond (Pear, White, 18.09 x 10.9) vs. 8ct Emerald (Pear, Dark Green, 18.94 x 11.41)
- 8ct Diamond (Pear, White, 18.09 x 10.9) vs. 8ct Diamond (Round, White, 13 x 13)
- 8ct Diamond (Pear, White, 18.09 x 10.9) vs. 4ct Diamond (Pear, White, 14.36 x 8.65)
- 8ct Diamond (Pear, White, 18.09 x 10.9) vs. 20ct Diamond (Pear, White, 24.55 x 14.79)
- 8ct Diamond (Pear, White, 18.09 x 10.9) vs. 9ct Tourmaline (Cushion, Violet, 12.66 x 12.66)