×
carat vs. color  length*  width*
  ×

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

11ct Rhodolite (Princess, 11.84×11.84mm, Purple) vs 11ct Tourmaline (Princess, 12.77×12.77mm, Purple)


Quick summary: When looked from above (face-up position), 11ct Tourmaline (12.77×12.77mm, princess cut) appears 16% larger than 11ct Rhodolite (11.84×11.84mm, princess cut). See below how they compare side-by-side on a ring and finger.

11ct Rhodolite (princess cut)
vs
11ct Tourmaline (princess cut)
purple
 
purple
11.84×11.84 mm 12.77×12.77 mm
actual size
Actual size of 11ct Rhodolite (princess cut, 11.84×11.84mm, Purple color)   Actual size of 11ct Tourmaline (princess cut, 12.77×12.77mm, Purple color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Purple 11ct Rhodolite (princess cut, 11.84×11.84mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Purple 11ct Tourmaline (princess cut, 12.77×12.77mm) 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
71% vs 76%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 11ct Rhodolite Princess (11.84×11.84mm, Purple) and 11ct Tourmaline Princess (12.77×12.77mm, Purple) 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 Tourmaline for a given carat weight, because it has higher specific gravity (3.84 vs. 3.06 - this means it's "heavier" compared to Tourmaline 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.


11 Ct Rhodolite (Princess) 11 Ct Tourmaline (Princess)
11.84×11.84 mm vs 12.77×12.77 mm
140.19 mm²   163.07 mm²
Face-up size outline for 11ct Tourmaline (12.77×12.77mm, princess cut)
Face-up size outline for 11ct Rhodolite (11.84×11.84mm, princess cut)
11ct Rhodolite Princess (11.84×11.84mm)
11ct Tourmaline Princess (12.77×12.77mm)
Difference: 16% (22.88 mm²)
11ct Tourmaline (Princess, 12.77×12.77mm) has approx. 16% more face-up area than 11ct Rhodolite (Princess, 11.84×11.84mm).


Popular comparisons: