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3.5ct Rhodolite (Princess, 8.08×8.08mm, Purple) vs 3.5ct Amethyst (Princess, 9.15×9.15mm, Violet)


Quick summary: When looked from above (face-up position), 3.5ct Amethyst (9.15×9.15mm, princess cut) appears 28% larger than 3.5ct Rhodolite (8.08×8.08mm, princess cut). See below how they compare side-by-side on a ring and finger.

3.5ct Rhodolite (princess cut)
vs
3.5ct Amethyst (princess cut)
purple
 
violet
8.08×8.08 mm 9.15×9.15 mm
actual size
Actual size of 3.5ct Rhodolite (princess cut, 8.08×8.08mm, Purple color)   Actual size of 3.5ct Amethyst (princess cut, 9.15×9.15mm, Violet color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Purple 3.5ct Rhodolite (princess cut, 8.08×8.08mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Violet 3.5ct Amethyst (princess cut, 9.15×9.15mm) on a right ring and finger
Your settings
Ring
Gold
Skin tone
Light
Ring diameter
16.9 mm
Ring width
3.0 mm
Finger length
64 mm
Finger coverage
48% vs 55%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 3.5ct Rhodolite Princess (8.08×8.08mm, Purple) and 3.5ct Amethyst Princess (9.15×9.15mm, 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.


3.5 Ct Rhodolite (Princess) 3.5 Ct Amethyst (Princess)
8.08×8.08 mm vs 9.15×9.15 mm
65.29 mm²   83.72 mm²
Face-up size outline for 3.5ct Amethyst (9.15×9.15mm, princess cut)
Face-up size outline for 3.5ct Rhodolite (8.08×8.08mm, princess cut)
3.5ct Rhodolite Princess (8.08×8.08mm)
3.5ct Amethyst Princess (9.15×9.15mm)
Difference: 28% (18.43 mm²)
3.5ct Amethyst (Princess, 9.15×9.15mm) has approx. 28% more face-up area than 3.5ct Rhodolite (Princess, 8.08×8.08mm).


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