5ct Aquamarine (Emerald, 12.45×9.22mm, Light Bluish Green) vs 1.2ct Spinel (Oval, 8.33×5.55mm, Gray)
Quick summary: When looked from above (face-up position), 5ct Aquamarine (12.45×9.22mm, emerald cut) appears 2.8 times larger than 1.2ct Spinel (8.33×5.55mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 5ct Aquamarine (emerald cut) |
vs
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1.2ct Spinel (oval cut) |
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light bluish green |
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| 12.45×9.22 mm | 8.33×5.55 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
5ct Aquamarine Emerald (12.45×9.22mm, Light Bluish Green)
and
1.2ct Spinel Oval (8.33×5.55mm, Gray)
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.
| 5 Ct Aquamarine (Emerald) | 1.2 Ct Spinel (Oval) | |
| 12.45×9.22 mm | vs | 8.33×5.55 mm |
| 106.75 mm² | 37.91 mm² |
| 5ct Aquamarine Emerald (12.45×9.22mm) | |
| 1.2ct Spinel Oval (8.33×5.55mm) | |
| Difference: 182% (68.84 mm²) |
5ct Aquamarine (Emerald, 12.45×9.22mm) has approx. 182% more face-up area than 1.2ct Spinel (Oval, 8.33×5.55mm). In other words, it's 2.82x larger.
Popular comparisons:
- 5ct Aquamarine (Emerald, Light Bluish Green, 12.45 x 9.22) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 5ct Aquamarine (Emerald, Light Bluish Green, 12.45 x 9.22) vs. 5ct Emerald (Emerald, Dark Green, 12.45 x 9.22)
- 5ct Aquamarine (Emerald, Light Bluish Green, 12.45 x 9.22) vs. 1ct Spinel (Oval, Gray, 8 x 6)
- 5ct Aquamarine (Emerald, Light Bluish Green, 12.45 x 9.22) vs. 5ct Diamond (Emerald, White, 11.42 x 8.46)
- 5ct Aquamarine (Emerald, Light Bluish Green, 12.45 x 9.22) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 7ct Aquamarine (Emerald, Light Blue, 13.92 x 10.31) vs. 7ct Sapphire (Emerald, Blue, 12.22 x 9.05)
- 1ct Aquamarine (Emerald, Light Blue, 7.28 x 5.39) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 5ct Aquamarine (Emerald, Light Blue, 12.45 x 9.22) vs. 5ct Diamond (Emerald, White, 11.42 x 8.46)