0.25ct Aquamarine (Round, 4.29×4.29mm, Light Blue) vs 0.25ct Topaz (Round, 3.93×3.93mm, Blue)
Quick summary: When looked from above (face-up position), 0.25ct Aquamarine (4.29×4.29mm, round cut) appears 19% larger than 0.25ct Topaz (3.93×3.93mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.25ct Aquamarine (round cut) |
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0.25ct Topaz (round cut) |
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light blue |
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| 4.29×4.29 mm | 3.93×3.93 mm | |
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Actual sizes of
0.25ct Aquamarine Round (4.29×4.29mm, Light Blue)
and
0.25ct Topaz Round (3.93×3.93mm, 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. 2.7 - 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.
| 0.25 Ct Aquamarine (Round) | 0.25 Ct Topaz (Round) | |
| 4.29×4.29 mm | vs | 3.93×3.93 mm |
| 14.45 mm² | 12.13 mm² |
| 0.25ct Aquamarine Round (4.29×4.29mm) | |
| 0.25ct Topaz Round (3.93×3.93mm) | |
| Difference: 19% (2.32 mm²) |
0.25ct Aquamarine Round (4.29×4.29mm) has approx. 19% more face-up area than 0.25ct Topaz Round (3.93×3.93mm).
Popular comparisons:
- 0.25ct Aquamarine (Round, Light Blue, 4.29 x 4.29) vs. 0.5ct Aquamarine (Pear, Light Blue, 7.52 x 5)
- 0.25ct Aquamarine (Round, Light Blue, 4.29 x 4.29) vs. 0.25ct Sapphire (Round, Blue, 3.77 x 3.77)
- 0.25ct Aquamarine (Round, Light Blue, 4.29 x 4.29) vs. 0.2ct Aquamarine (Round, Light Blue, 3.99 x 3.99)
- 0.25ct Aquamarine (Round, Light Blue, 4.29 x 4.29) vs. 0.25ct Diamond (Round, White, 4.09 x 4.09)
- 0.25ct Aquamarine (Round, Light Blue, 4.29 x 4.29) vs. 0.25ct Tanzanite (Round, Blue, 4.02 x 4.02)
- 0.25ct Aquamarine (Round, Light Blue, 4.29 x 4.29) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.25ct Aquamarine (Round, Light Blue, 4.29 x 4.29) vs. 0.25ct Aquamarine (Emerald, Light Blue, 4.59 x 3.4)
- 0.25ct Aquamarine (Round, Light Blue, 4.29 x 4.29) vs. 0.25ct Amethyst (Round, Violet, 4.32 x 4.32)
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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.