0.5ct Aquamarine (Oval, 6.84×4.56mm, Light Blue) vs 1ct Topaz (Emerald, 6.66×4.93mm, Blue)
Quick summary: When looked from above (face-up position), 1ct Topaz (6.66×4.93mm, emerald cut) appears 19% larger than 0.5ct Aquamarine (6.84×4.56mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 0.5ct Aquamarine (oval cut) |
vs
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1ct Topaz (emerald cut) |
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light blue |
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| 6.84×4.56 mm | 6.66×4.93 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
0.5ct Aquamarine Oval (6.84×4.56mm, Light Blue)
and
1ct Topaz Emerald (6.66×4.93mm, Blue)
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, Topaz will face-up smaller than Aquamarine for a given
carat weight, because it has higher specific gravity
(3.53 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.
| 0.5 Ct Aquamarine (Oval) | 1 Ct Topaz (Emerald) | |
| 6.84×4.56 mm | vs | 6.66×4.93 mm |
| 25.58 mm² | 30.54 mm² |
| 0.5ct Aquamarine Oval (6.84×4.56mm) | |
| 1ct Topaz Emerald (6.66×4.93mm) | |
| Difference: 19% (4.96 mm²) |
1ct Topaz (Emerald, 6.66×4.93mm) has approx. 19% more face-up area than 0.5ct Aquamarine (Oval, 6.84×4.56mm).
Popular comparisons:
- 0.5ct Aquamarine (Oval, Light Blue, 6.84 x 4.56) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.5ct Aquamarine (Oval, Light Blue, 6.84 x 4.56) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 0.5ct Aquamarine (Oval, Light Blue, 6.84 x 4.56) vs. 0.5ct Diamond (Oval, White, 6.44 x 4.29)
- 0.5ct Aquamarine (Oval, Light Blue, 6.84 x 4.56) vs. 0.05ct Diamond (Round, White, 2.39 x 2.39)
- 0.5ct Aquamarine (Oval, Light Blue, 6.84 x 4.56) vs. 0.75ct Diamond (Oval, White, 7.38 x 4.92)
- 0.5ct Aquamarine (Oval, Light Blue, 6.84 x 4.56) vs. 0.7ct Topaz (Cushion, Light Blue, 5.18 x 5.18)
- 0.5ct Aquamarine (Oval, Light Blue, 6.84 x 4.56) vs. 0.7ct Aquamarine (Emerald, Light Blue, 6.47 x 4.79)
- 0.5ct Aquamarine (Oval, Light Blue, 6.84 x 4.56) vs. 1ct Sapphire (Oval, Green, 7.56 x 5.04)