1.5ct Aquamarine (Round, 7.8×7.8mm, Light Blue) vs 0.5ct Diamond (Round, 5.16×5.16mm, White)
Quick summary: When looked from above (face-up position), 1.5ct Aquamarine (7.8×7.8mm, round cut) appears 2.3 times larger than 0.5ct Diamond (5.16×5.16mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Aquamarine (round cut) |
vs
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0.5ct Diamond (round cut) |
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light blue |
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| 7.8×7.8 mm | 5.16×5.16 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 Round (7.8×7.8mm, Light Blue)
and
0.5ct Diamond Round (5.16×5.16mm, 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 (Round) | 0.5 Ct Diamond (Round) | |
| 7.8×7.8 mm | vs | 5.16×5.16 mm |
| 47.78 mm² | 20.91 mm² |
| 1.5ct Aquamarine Round (7.8×7.8mm) | |
| 0.5ct Diamond Round (5.16×5.16mm) | |
| Difference: 129% (26.87 mm²) |
1.5ct Aquamarine (Round, 7.8×7.8mm) has approx. 129% more face-up area than 0.5ct Diamond (Round, 5.16×5.16mm). In other words, it's 2.29x larger.
Popular comparisons:
- 1.5ct Aquamarine (Round, Light Blue, 7.8 x 7.8) vs. 1.5ct Diamond (Round, White, 7.44 x 7.44)
- 1.5ct Aquamarine (Round, Light Blue, 7.8 x 7.8) vs. 1.5ct Sapphire (Round, Blue, 6.84 x 6.84)
- 1.5ct Aquamarine (Round, Light Blue, 7.8 x 7.8) vs. 1.2ct Aquamarine (Round, Light Blue, 7.24 x 7.24)
- 1.5ct Aquamarine (Round, Light Blue, 7.8 x 7.8) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1.5ct Aquamarine (Round, Light Blue, 7.8 x 7.8) vs. 1.25ct Morganite (Round, Light Purple, 7.34 x 7.34)
- 1.5ct Aquamarine (Round, Light Blue, 7.8 x 7.8) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.5ct Aquamarine (Round, Light Blue, 7.8 x 7.8) vs. 0.75ct Aquamarine (Cushion, Light Blue, 5.79 x 5.79)
- 1.5ct Aquamarine (Round, Light Blue, 7.8 x 7.8) vs. 1.5ct Aquamarine (Oval, Light Blue, 9.87 x 6.58)