1.5ct Topaz (Round, 7.13×7.13mm, Bluish Green) vs 1.5ct Aquamarine (Round, 7.8×7.8mm, Light Bluish Green)
Quick summary: When looked from above (face-up position), 1.5ct Aquamarine (7.8×7.8mm, round cut) appears 20% larger than 1.5ct Topaz (7.13×7.13mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Topaz (round cut) |
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1.5ct Aquamarine (round cut) |
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bluish green |
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| 7.13×7.13 mm | 7.8×7.8 mm | |
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Actual sizes of
1.5ct Topaz Round (7.13×7.13mm, Bluish Green)
and
1.5ct Aquamarine Round (7.8×7.8mm, Light Bluish Green)
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. 2.7 - 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.
| 1.5 Ct Topaz (Round) | 1.5 Ct Aquamarine (Round) | |
| 7.13×7.13 mm | vs | 7.8×7.8 mm |
| 39.93 mm² | 47.78 mm² |
| 1.5ct Topaz Round (7.13×7.13mm) | |
| 1.5ct Aquamarine Round (7.8×7.8mm) | |
| Difference: 20% (7.85 mm²) |
1.5ct Aquamarine Round (7.8×7.8mm) has approx. 20% more face-up area than 1.5ct Topaz Round (7.13×7.13mm).
Popular comparisons:
- 1ct Topaz (Round, Blue, 6.23 x 6.23) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Topaz (Round, Blue, 6.23 x 6.23) vs. 1ct Tourmaline (Round, Violet, 6.51 x 6.51)
- 8ct Topaz (Round, Blue, 12.47 x 12.47) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2ct Topaz (Round, Blue, 7.85 x 7.85) vs. 1ct Topaz (Round, Blue, 6.23 x 6.23)
- 1ct Topaz (Round, Blue, 6 x 6) vs. 0.5ct Topaz (Round, Blue, 5 x 5)
- 2ct Topaz (Round, White, 7.85 x 7.85) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1ct Topaz (Round, White, 6.23 x 6.23) vs. 1ct Spinel (Round, Red, 6.19 x 6.19)
- 1ct Topaz (Round, Blue, 6.23 x 6.23) vs. 1ct Tourmaline (Round, Blue, 6.51 x 6.51)
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.