0.7ct Aquamarine (Emerald, 6.47×4.79mm, Light Blue) vs 0.7ct Amethyst (Oval, 7.71×5.14mm, Violet)
Quick summary: When looked from above (face-up position), 0.7ct Amethyst (7.71×5.14mm, oval cut) appears 13% larger than 0.7ct Aquamarine (6.47×4.79mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 0.7ct Aquamarine (emerald cut) |
vs
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0.7ct Amethyst (oval cut) |
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light blue |
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| 6.47×4.79 mm | 7.71×5.14 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
0.7ct Aquamarine Emerald (6.47×4.79mm, Light Blue)
and
0.7ct Amethyst Oval (7.71×5.14mm, Violet)
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, Aquamarine will face-up slightly smaller than Amethyst for a given
carat weight, because it has higher specific gravity
(2.72 vs. 2.65 - this means it's "slightly heavier" compared to Amethyst 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.
| 0.7 Ct Aquamarine (Emerald) | 0.7 Ct Amethyst (Oval) | |
| 6.47×4.79 mm | vs | 7.71×5.14 mm |
| 28.82 mm² | 32.5 mm² |
| 0.7ct Aquamarine Emerald (6.47×4.79mm) | |
| 0.7ct Amethyst Oval (7.71×5.14mm) | |
| Difference: 13% (3.68 mm²) |
0.7ct Amethyst (Oval, 7.71×5.14mm) has approx. 13% more face-up area than 0.7ct Aquamarine (Emerald, 6.47×4.79mm).
Popular comparisons:
- 0.7ct Aquamarine (Emerald, Light Blue, 6.47 x 4.79) vs. 1ct Topaz (Baguette, Blue, 7.23 x 4.82)
- 0.7ct Aquamarine (Emerald, Light Blue, 6.47 x 4.79) vs. 0.7ct Ruby (Emerald, Dark Red, 5.67 x 4.2)
- 0.7ct Aquamarine (Emerald, Light Blue, 6.47 x 4.79) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.7ct Aquamarine (Emerald, Light Blue, 6.47 x 4.79) vs. 0.7ct Topaz (Emerald, Light Blue, 5.91 x 4.38)
- 0.7ct Aquamarine (Emerald, Light Blue, 6.47 x 4.79) vs. 0.7ct Aquamarine (Oval, Light Blue, 7.65 x 5.1)
- 0.7ct Aquamarine (Emerald, Light Blue, 6.47 x 4.79) vs. 0.55ct Diamond (Round, White, 5.33 x 5.33)
- 0.7ct Aquamarine (Emerald, Light Blue, 6.47 x 4.79) vs. 1ct Topaz (Emerald, Blue, 6.66 x 4.93)
- 7ct Aquamarine (Emerald, Light Blue, 13.92 x 10.31) vs. 7ct Sapphire (Emerald, Blue, 12.22 x 9.05)