2.5ct Rhodolite (Princess, 7.23×7.23mm, Purple) vs 2.5ct Amethyst (Princess, 8.18×8.18mm, Violet)
Quick summary: When looked from above (face-up position), 2.5ct Amethyst (8.18×8.18mm, princess cut) appears 28% larger than 2.5ct Rhodolite (7.23×7.23mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 2.5ct Rhodolite (princess cut) |
vs
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2.5ct Amethyst (princess cut) |
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purple |
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| 7.23×7.23 mm | 8.18×8.18 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
2.5ct Rhodolite Princess (7.23×7.23mm, Purple)
and
2.5ct Amethyst Princess (8.18×8.18mm, Violet)
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, Rhodolite will face-up smaller than Amethyst for a given
carat weight, because it has higher specific gravity
(3.84 vs. 2.65 - this means it's "heavier" compared to Amethyst 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.
| 2.5 Ct Rhodolite (Princess) | 2.5 Ct Amethyst (Princess) | |
| 7.23×7.23 mm | vs | 8.18×8.18 mm |
| 52.27 mm² | 66.91 mm² |
| 2.5ct Rhodolite Princess (7.23×7.23mm) | |
| 2.5ct Amethyst Princess (8.18×8.18mm) | |
| Difference: 28% (14.64 mm²) |
2.5ct Amethyst (Princess, 8.18×8.18mm) has approx. 28% more face-up area than 2.5ct Rhodolite (Princess, 7.23×7.23mm).
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