10ct Emerald (Oval, 18.57×12.38mm, Green) vs 10ct Diamond (Oval, 17.49×11.66mm, White)
Quick summary: When looked from above (face-up position), 10ct Emerald (18.57×12.38mm, oval cut) appears 13% larger than 10ct Diamond (17.49×11.66mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 10ct Emerald (oval cut) |
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10ct Diamond (oval cut) |
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green |
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| 18.57×12.38 mm | 17.49×11.66 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
10ct Emerald Oval (18.57×12.38mm, Green)
and
10ct Diamond Oval (17.49×11.66mm, White)
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.
| 10 Ct Emerald (Oval) | 10 Ct Diamond (Oval) | |
| 18.57×12.38 mm | vs | 17.49×11.66 mm |
| 188.52 mm² | 167.23 mm² |
| 10ct Emerald Oval (18.57×12.38mm) | |
| 10ct Diamond Oval (17.49×11.66mm) | |
| Difference: 13% (21.29 mm²) |
10ct Emerald (Oval, 18.57×12.38mm) has approx. 13% more face-up area than 10ct Diamond (Oval, 17.49×11.66mm).
Popular comparisons:
- 10ct Emerald (Oval, Green, 18.57 x 12.38) vs. 6ct Spinel (Oval, Red, 14.24 x 9.49)
- 10ct Emerald (Oval, Green, 18.57 x 12.38) vs. 10ct Spinel (Oval, Green, 16.88 x 11.25)
- 10ct Emerald (Oval, Green, 18.57 x 12.38) vs. 10ct Emerald (Emerald, Green, 15.69 x 11.62)
- 10ct Emerald (Oval, Green, 18.57 x 12.38) vs. 6ct Spinel (Oval, Green, 14.24 x 9.49)
- 10ct Emerald (Oval, Green, 18.57 x 12.38) vs. 40ct Emerald (Oval, Green, 29.49 x 19.66)
- 10ct Emerald (Oval, Green, 18.57 x 12.38) vs. 10ct Emerald (Trillion, Green, 17.26 x 17.26)
- 10ct Emerald (Oval, Green, 18.57 x 12.38) vs. 10ct Amethyst (Oval, Violet, 18.69 x 12.46)
- 10ct Emerald (Oval, Green, 18.57 x 12.38) vs. 10ct Sapphire (Oval, Blue, 16.29 x 10.86)