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33ct Cubic Zirconia (Asscher, 15.24×15.24mm, White) vs 33ct Moissanite (Asscher, 18.38×18.38mm, White)


Quick summary: When looked from above (face-up position), 33ct Moissanite (18.38×18.38mm, asscher cut) appears 45% larger than 33ct Cubic Zirconia (15.24×15.24mm, asscher cut). See below how they compare side-by-side on a ring and finger.

33ct Cubic Zirconia (asscher cut)
vs
 33ct Moissanite (asscher cut)
white
 
white
15.24×15.24 mm 18.38×18.38 mm
actual size
Actual size of 33ct Cubic Zirconia (asscher cut, 15.24×15.24mm, White color)   Actual size of 33ct Moissanite (asscher cut, 18.38×18.38mm, White color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 33ct Cubic Zirconia (asscher cut, 15.24×15.24mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 33ct Moissanite (asscher cut, 18.38×18.38mm) 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
 91% vs 109%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 33ct Cubic Zirconia Asscher (15.24×15.24mm, White) and 33ct Moissanite Asscher (18.38×18.38mm, 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.


33 Ct Cubic Zirconia (Asscher) 33 Ct Moissanite (Asscher)
15.24×15.24 mm vs 18.38×18.38 mm
213.68 mm²   310.8 mm²
Face-up size outline for 33ct Moissanite (18.38×18.38mm, asscher cut)
Face-up size outline for 33ct Cubic Zirconia (15.24×15.24mm, asscher cut)
33ct Cubic Zirconia Asscher (15.24×15.24mm)
33ct Moissanite Asscher (18.38×18.38mm)
Difference: 45% (97.12 mm²)
33ct Moissanite (Asscher, 18.38×18.38mm) has approx. 45% more face-up area than 33ct Cubic Zirconia (Asscher, 15.24×15.24mm).


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