×
carat vs. color  length*  width*
  ×

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

8.5ct Cubic Zirconia (Heart, 11.38×11.38mm, White) vs 8.5ct Moissanite (Heart, 13.73×13.73mm, White)


Quick summary: When looked from above (face-up position), 8.5ct Moissanite (13.73×13.73mm, heart cut) appears 46% larger than 8.5ct Cubic Zirconia (11.38×11.38mm, heart cut). See below how they compare side-by-side on a ring and finger.

8.5ct Cubic Zirconia (heart cut)
vs
8.5ct Moissanite (heart cut)
white
 
white
11.38×11.38 mm 13.73×13.73 mm
actual size
Actual size of 8.5ct Cubic Zirconia (heart cut, 11.38×11.38mm, White color)   Actual size of 8.5ct Moissanite (heart cut, 13.73×13.73mm, White color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 8.5ct Cubic Zirconia (heart cut, 11.38×11.38mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 8.5ct Moissanite (heart cut, 13.73×13.73mm) 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
68% vs 82%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 8.5ct Cubic Zirconia Heart (11.38×11.38mm, White) and 8.5ct Moissanite Heart (13.73×13.73mm, White) 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, Cubic Zirconia will face-up smaller than Moissanite for a given carat weight, because it has higher specific gravity (5.65 vs. 3.22 - this means it's "heavier" compared to Moissanite 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.


8.5 Ct Cubic Zirconia (Heart) 8.5 Ct Moissanite (Heart)
11.38×11.38 mm vs 13.73×13.73 mm
93.24 mm²   135.73 mm²
Face-up size outline for 8.5ct Moissanite (13.73×13.73mm, heart cut)
Face-up size outline for 8.5ct Cubic Zirconia (11.38×11.38mm, heart cut)
8.5ct Cubic Zirconia Heart (11.38×11.38mm)
8.5ct Moissanite Heart (13.73×13.73mm)
Difference: 46% (42.49 mm²)
8.5ct Moissanite (Heart, 13.73×13.73mm) has approx. 46% more face-up area than 8.5ct Cubic Zirconia (Heart, 11.38×11.38mm).


Popular comparisons: