9ct Diamond (Oval, 16.88×11.25mm, White) vs 1ct Emerald (Emerald, 7.28×5.39mm, Green)
Quick summary: When looked from above (face-up position), 9ct Diamond (16.88×11.25mm, oval cut) appears 4.3 times larger than 1ct Emerald (7.28×5.39mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 9ct Diamond (oval cut) |
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1ct Emerald (emerald cut) |
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white |
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| 16.88×11.25 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
9ct Diamond Oval (16.88×11.25mm, 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.
| 9 Ct Diamond (Oval) | 1 Ct Emerald (Emerald) | |
| 16.88×11.25 mm | vs | 7.28×5.39 mm |
| 155.72 mm² | 36.49 mm² |
| 9ct Diamond Oval (16.88×11.25mm) | |
| 1ct Emerald Emerald (7.28×5.39mm) | |
| Difference: 327% (119.23 mm²) |
9ct Diamond (Oval, 16.88×11.25mm) has approx. 327% more face-up area than 1ct Emerald (Emerald, 7.28×5.39mm). In other words, it's 4.27x larger.
Popular comparisons:
- 9ct Diamond (Oval, White, 16.88 x 11.25) vs. 8ct Emerald (Round, Green, 13.63 x 13.63)
- 9ct Diamond (Oval, White, 16.88 x 11.25) vs. 1.5ct Aquamarine (Emerald, Light Blue, 8.33 x 6.17)
- 1ct Diamond (Oval, White, 8 x 6) vs. 1ct Sapphire (Oval, Blue, 7 x 5)
- 2ct Diamond (Oval, White, 10 x 7) vs. 1.8ct Diamond (Oval, White, 9 x 7)
- 2.5ct Diamond (Oval, White, 10 x 7) vs. 1ct Diamond (Oval, White, 9 x 6)
- 3.25ct Diamond (Oval, White, 12.02 x 8.01) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 3ct Diamond (Oval, White, 10 x 8) vs. 2ct Diamond (Oval, White, 9 x 7)
- 1.2ct Diamond (Oval, White, 8.63 x 5.75) vs. 1.5ct Diamond (Oval, White, 9 x 6)