×
carat vs. color  length*  width*
  ×

(or examine a )
* size in mm (optional)

8ct Rhodolite (Princess, 10.65×10.65mm, Purple) vs 8ct Amethyst (Princess, 12.05×12.05mm, Violet)


Quick summary: When looked from above (face-up position), 8ct Amethyst (12.05×12.05mm, princess cut) appears 28% larger than 8ct Rhodolite (10.65×10.65mm, princess cut). See below how they compare side-by-side on a ring and finger.

8ct Rhodolite (princess cut)
vs
 8ct Amethyst (princess cut)
purple
 
violet
10.65×10.65 mm 12.05×12.05 mm
actual size
Actual size of 8ct Rhodolite (princess cut, 10.65×10.65mm, Purple color)   Actual size of 8ct Amethyst (princess cut, 12.05×12.05mm, Violet color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Purple 8ct Rhodolite (princess cut, 10.65×10.65mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Violet 8ct Amethyst (princess cut, 12.05×12.05mm) 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
 64% vs 72%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 8ct Rhodolite Princess (10.65×10.65mm, Purple) and 8ct Amethyst Princess (12.05×12.05mm, 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.


8 Ct Rhodolite (Princess) 8 Ct Amethyst (Princess)
10.65×10.65 mm vs 12.05×12.05 mm
113.42 mm²   145.2 mm²
Face-up size outline for 8ct Amethyst (12.05×12.05mm, princess cut)
Face-up size outline for 8ct Rhodolite (10.65×10.65mm, princess cut)
8ct Rhodolite Princess (10.65×10.65mm)
8ct Amethyst Princess (12.05×12.05mm)
Difference: 28% (31.78 mm²)
8ct Amethyst (Princess, 12.05×12.05mm) has approx. 28% more face-up area than 8ct Rhodolite (Princess, 10.65×10.65mm).


Popular comparisons: