1.75ct Aquamarine (Princess, 7.2×7.2mm, Light Blue) vs 1.75ct Topaz (Princess, 6.6×6.6mm, Blue)
Quick summary: When looked from above (face-up position), 1.75ct Aquamarine (7.2×7.2mm, princess cut) appears 19% larger than 1.75ct Topaz (6.6×6.6mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 1.75ct Aquamarine (princess cut) |
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1.75ct Topaz (princess cut) |
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light blue |
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| 7.2×7.2 mm | 6.6×6.6 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
1.75ct Aquamarine Princess (7.2×7.2mm, Light Blue)
and
1.75ct Topaz Princess (6.6×6.6mm, 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. 2.72 - 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.
| 1.75 Ct Aquamarine (Princess) | 1.75 Ct Topaz (Princess) | |
| 7.2×7.2 mm | vs | 6.6×6.6 mm |
| 51.84 mm² | 43.56 mm² |
| 1.75ct Aquamarine Princess (7.2×7.2mm) | |
| 1.75ct Topaz Princess (6.6×6.6mm) | |
| Difference: 19% (8.28 mm²) |
1.75ct Aquamarine (Princess, 7.2×7.2mm) has approx. 19% more face-up area than 1.75ct Topaz (Princess, 6.6×6.6mm).
Popular comparisons:
- 2.5ct Aquamarine (Princess, Light Blue, 8.32 x 8.32) vs. 2.5ct Diamond (Princess, White, 7.48 x 7.48)
- 1ct Aquamarine (Princess, Light Blue, 6.13 x 6.13) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Aquamarine (Princess, Light Blue, 6.13 x 6.13) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
- 1ct Aquamarine (Princess, Light Blue, 8 x 6) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2.3ct Aquamarine (Princess, Light Bluish Green, 8.09 x 8.09) vs. 3ct Emerald (Emerald, Green, 10.5 x 7.78)
- 4ct Aquamarine (Princess, Light Blue, 9.73 x 9.73) vs. 4ct Diamond (Princess, White, 8.75 x 8.75)
- 1.9ct Aquamarine (Princess, Light Blue, 7.59 x 7.59) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
- 1.5ct Aquamarine (Princess, Light Blue, 7.01 x 7.01) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2.3ct Aquamarine (Princess, Light Bluish Green, 8.09 x 8.09) vs. 1ct Aquamarine (Princess, Light Blue, 6.13 x 6.13)