3ct Aquamarine (Oval, 12.44×8.29mm, Light Blue) vs 2.5ct Spinel (Oval, 10.64×7.09mm, Red)
Quick summary: When looked from above (face-up position), 3ct Aquamarine (12.44×8.29mm, oval cut) appears 37% larger than 2.5ct Spinel (10.64×7.09mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 3ct Aquamarine (oval cut) |
vs
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2.5ct Spinel (oval cut) |
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light blue |
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| 12.44×8.29 mm | 10.64×7.09 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
3ct Aquamarine Oval (12.44×8.29mm, Light Blue)
and
2.5ct Spinel Oval (10.64×7.09mm, Red)
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, Spinel will face-up smaller than Aquamarine for a given
carat weight, because it has higher specific gravity
(3.6 vs. 2.72 - this means it's "heavier" compared to Aquamarine 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.
| 3 Ct Aquamarine (Oval) | 2.5 Ct Spinel (Oval) | |
| 12.44×8.29 mm | vs | 10.64×7.09 mm |
| 84.56 mm² | 61.86 mm² |
| 3ct Aquamarine Oval (12.44×8.29mm) | |
| 2.5ct Spinel Oval (10.64×7.09mm) | |
| Difference: 37% (22.7 mm²) |
3ct Aquamarine (Oval, 12.44×8.29mm) has approx. 37% more face-up area than 2.5ct Spinel (Oval, 10.64×7.09mm).
Popular comparisons:
- 3ct Aquamarine (Oval, Light Blue, 12.44 x 8.29) vs. 3ct Diamond (Round, White, 9.37 x 9.37)
- 3ct Aquamarine (Oval, Light Blue, 12.44 x 8.29) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 3ct Aquamarine (Oval, Light Blue, 12.44 x 8.29) vs. 3ct Diamond (Oval, White, 11.7 x 7.8)
- 3ct Aquamarine (Oval, Light Blue, 12.44 x 8.29) vs. 3ct Emerald (Emerald, Green, 10.5 x 7.78)
- 3ct Aquamarine (Oval, Light Blue, 12.44 x 8.29) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 3ct Aquamarine (Oval, Light Blue, 12.44 x 8.29) vs. 3ct Emerald (Oval, Green, 12.44 x 8.29)
- 3ct Aquamarine (Oval, Light Blue, 12.44 x 8.29) vs. 5ct Emerald (Oval, Green, 14.75 x 9.83)
- 3ct Aquamarine (Oval, Light Blue, 12.44 x 8.29) vs. 2.5ct Titanite (Oval, Yellowish Green, 10.7 x 7.13)