1.5ct Aquamarine (Emerald, 8.33×6.17mm, Light Blue) vs 2ct Diamond (Round, 8.19×8.19mm, White)
Quick summary: When looked from above (face-up position), 2ct Diamond (8.19×8.19mm, round cut) appears 10% larger than 1.5ct Aquamarine (8.33×6.17mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Aquamarine (emerald cut) |
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2ct Diamond (round cut) |
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light blue |
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| 8.33×6.17 mm | 8.19×8.19 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
1.5ct Aquamarine Emerald (8.33×6.17mm, Light Blue)
and
2ct Diamond Round (8.19×8.19mm, 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. 2.72 - 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.
| 1.5 Ct Aquamarine (Emerald) | 2 Ct Diamond (Round) | |
| 8.33×6.17 mm | vs | 8.19×8.19 mm |
| 47.8 mm² | 52.68 mm² |
| 1.5ct Aquamarine Emerald (8.33×6.17mm) | |
| 2ct Diamond Round (8.19×8.19mm) | |
| Difference: 10% (4.88 mm²) |
2ct Diamond (Round, 8.19×8.19mm) has approx. 10% more face-up area than 1.5ct Aquamarine (Emerald, 8.33×6.17mm).
Popular comparisons:
- 1.5ct Aquamarine (Emerald, Light Blue, 8.33 x 6.17) vs. 2ct Aquamarine (Emerald, Light Blue, 9.17 x 6.79)
- 1.5ct Aquamarine (Emerald, Light Blue, 8.33 x 6.17) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.5ct Aquamarine (Emerald, Light Blue, 8.33 x 6.17) vs. 1.5ct Diamond (Emerald, White, 7.65 x 5.67)
- 1.5ct Aquamarine (Emerald, Light Blue, 8.33 x 6.17) vs. 2.5ct Aquamarine (Oval, Light Blue, 11.7 x 7.8)
- 1.5ct Aquamarine (Emerald, Light Blue, 8.33 x 6.17) vs. 10ct Aquamarine (Emerald, Light Blue, 15.69 x 11.62)
- 1.5ct Aquamarine (Emerald, Light Blue, 8.33 x 6.17) vs. 10.8ct Aquamarine (Emerald, Light Blue, 16.09 x 11.92)
- 1.5ct Aquamarine (Emerald, Light Blue, 8.33 x 6.17) vs. 9.52ct Aquamarine (Emerald, Light Blue, 17.95 x 10.75)
- 1.5ct Aquamarine (Emerald, Light Blue, 8.33 x 6.17) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)