×
carat vs. color  length*  width*
  ×

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

3ct Rhodolite (Emerald, 9.34×6.92mm, Purple) vs 3ct Amethyst (Emerald, 10.57×7.83mm, Violet)


Quick summary: When looked from above (face-up position), 3ct Amethyst (10.57×7.83mm, emerald cut) appears 28% larger than 3ct Rhodolite (9.34×6.92mm, emerald cut). See below how they compare side-by-side on a ring and finger.

3ct Rhodolite (emerald cut)
vs
3ct Amethyst (emerald cut)
purple
 
violet
9.34×6.92 mm 10.57×7.83 mm
actual size
Actual size of 3ct Rhodolite (emerald cut, 9.34×6.92mm, Purple color)   Actual size of 3ct Amethyst (emerald cut, 10.57×7.83mm, Violet color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Purple 3ct Rhodolite (emerald cut, 9.34×6.92mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Violet 3ct Amethyst (emerald cut, 10.57×7.83mm) 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
41% vs 47%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 3ct Rhodolite Emerald (9.34×6.92mm, Purple) and 3ct Amethyst Emerald (10.57×7.83mm, 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 Ct Rhodolite (Emerald) 3 Ct Amethyst (Emerald)
9.34×6.92 mm vs 10.57×7.83 mm
60.11 mm²   76.97 mm²
Face-up size outline for 3ct Amethyst (10.57×7.83mm, emerald cut)
Face-up size outline for 3ct Rhodolite (9.34×6.92mm, emerald cut)
3ct Rhodolite Emerald (9.34×6.92mm)
3ct Amethyst Emerald (10.57×7.83mm)
Difference: 28% (16.86 mm²)
3ct Amethyst (Emerald, 10.57×7.83mm) has approx. 28% more face-up area than 3ct Rhodolite (Emerald, 9.34×6.92mm).


Popular comparisons: