3ct Aquamarine (Emerald, 10.5×7.78mm, Light Blue) vs 3ct Diamond (Round, 9.37×9.37mm, White)
Quick summary: When looked from above (face-up position), 3ct Aquamarine (10.5×7.78mm, emerald cut) appears 10% larger than 3ct Diamond (9.37×9.37mm, round cut). See below how they compare side-by-side on a ring and finger.
| 3ct Aquamarine (emerald cut) |
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3ct Diamond (round cut) |
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light blue |
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| 10.5×7.78 mm | 9.37×9.37 mm | |
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Actual sizes of
3ct Aquamarine Emerald (10.5×7.78mm, Light Blue)
and
3ct Diamond Round (9.37×9.37mm, 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 Aquamarine for a given
carat weight, because it has higher specific gravity
(3.52 vs. 2.7 - 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 (Emerald) | 3 Ct Diamond (Round) | |
| 10.5×7.78 mm | vs | 9.37×9.37 mm |
| 75.97 mm² | 68.96 mm² |
| 3ct Aquamarine Emerald (10.5×7.78mm) | |
| 3ct Diamond Round (9.37×9.37mm) | |
| Difference: 10% (7.01 mm²) |
3ct Aquamarine Emerald (10.5×7.78mm) has approx. 10% more face-up area than 3ct Diamond Round (9.37×9.37mm).
Popular comparisons:
- 3ct Aquamarine (Emerald, Light Blue, 10.5 x 7.78) vs. 3ct Diamond (Emerald, White, 9.64 x 7.14)
- 3ct Aquamarine (Emerald, Light Blue, 10.5 x 7.78) vs. 3ct Emerald (Emerald, Green, 10.5 x 7.78)
- 3ct Aquamarine (Emerald, Light Blue, 10.5 x 7.78) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 3ct Aquamarine (Emerald, Light Blue, 10.5 x 7.78) vs. 2ct Aquamarine (Emerald, Light Blue, 9.17 x 6.79)
- 3ct Aquamarine (Emerald, Light Blue, 10.5 x 7.78) vs. 1ct Sapphire (Emerald, Blue, 6.39 x 4.73)
- 3ct Aquamarine (Emerald, Light Blue, 10.5 x 7.78) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 3ct Aquamarine (Emerald, Light Blue, 10.5 x 7.78) vs. 2.5ct Diamond (Emerald, White, 9.07 x 6.72)
- 3ct Aquamarine (Emerald, Light Blue, 10.5 x 7.78) vs. 5ct Aquamarine (Emerald, Light Blue, 12.45 x 9.22)
Enter your screen size (diagonal)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.