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3.5ct Cubic Zirconia (Oval, 10.38×6.92mm, White) vs 3.5ct Moissanite (Oval, 12.51×8.34mm, White)


Quick summary: When looked from above (face-up position), 3.5ct Moissanite (12.51×8.34mm, oval cut) appears 45% larger than 3.5ct Cubic Zirconia (10.38×6.92mm, oval cut). See below how they compare side-by-side on a ring and finger.

3.5ct Cubic Zirconia (oval cut)
vs
3.5ct Moissanite (oval cut)
white
 
white
10.38×6.92 mm 12.51×8.34 mm
actual size
Actual size of 3.5ct Cubic Zirconia (oval cut, 10.38×6.92mm, White color)   Actual size of 3.5ct Moissanite (oval cut, 12.51×8.34mm, White color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 3.5ct Cubic Zirconia (oval cut, 10.38×6.92mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 3.5ct Moissanite (oval cut, 12.51×8.34mm) 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 50%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 3.5ct Cubic Zirconia Oval (10.38×6.92mm, White) and 3.5ct Moissanite Oval (12.51×8.34mm, 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.


3.5 Ct Cubic Zirconia (Oval) 3.5 Ct Moissanite (Oval)
10.38×6.92 mm vs 12.51×8.34 mm
58.9 mm²   85.55 mm²
Face-up size outline for 3.5ct Moissanite (12.51×8.34mm, oval cut)
Face-up size outline for 3.5ct Cubic Zirconia (10.38×6.92mm, oval cut)
3.5ct Cubic Zirconia Oval (10.38×6.92mm)
3.5ct Moissanite Oval (12.51×8.34mm)
Difference: 45% (26.65 mm²)
3.5ct Moissanite (Oval, 12.51×8.34mm) has approx. 45% more face-up area than 3.5ct Cubic Zirconia (Oval, 10.38×6.92mm).


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