×
carat vs. color  length*  width*
  ×

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

1.5ct Topaz (Emerald, 7.61×5.64mm, Blue) vs 1.5ct Rhodolite (Emerald, 7.41×5.49mm, Purple)


Quick summary: When looked from above (face-up position), 1.5ct Topaz (7.61×5.64mm, emerald cut) appears 6% larger than 1.5ct Rhodolite (7.41×5.49mm, emerald cut). See below how they compare side-by-side on a ring and finger.

1.5ct Topaz (emerald cut)
vs
1.5ct Rhodolite (emerald cut)
blue
 
purple
7.61×5.64 mm 7.41×5.49 mm
actual size
Actual size of 1.5ct Topaz (emerald cut, 7.61×5.64mm, Blue color)   Actual size of 1.5ct Rhodolite (emerald cut, 7.41×5.49mm, Purple color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1.5ct Topaz (emerald cut, 7.61×5.64mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Purple 1.5ct Rhodolite (emerald cut, 7.41×5.49mm) 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
34% vs 33%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.5ct Topaz Emerald (7.61×5.64mm, Blue) and 1.5ct Rhodolite Emerald (7.41×5.49mm, 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 Topaz for a given carat weight, because it has higher specific gravity (3.84 vs. 3.53 - this means it's "heavier" compared to Topaz 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.


1.5 Ct Topaz (Emerald) 1.5 Ct Rhodolite (Emerald)
7.61×5.64 mm vs 7.41×5.49 mm
39.92 mm²   37.83 mm²
Face-up size outline for 1.5ct Topaz (7.61×5.64mm, emerald cut)
Face-up size outline for 1.5ct Rhodolite (7.41×5.49mm, emerald cut)
1.5ct Topaz Emerald (7.61×5.64mm)
1.5ct Rhodolite Emerald (7.41×5.49mm)
Difference: 6% (2.09 mm²)
1.5ct Topaz (Emerald, 7.61×5.64mm) has approx. 6% more face-up area than 1.5ct Rhodolite (Emerald, 7.41×5.49mm).


Popular comparisons: