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5ct Cubic Zirconia (Princess, 8.01×8.01mm, White) vs 5ct Moissanite (Princess, 9.66×9.66mm, White)


Quick summary: When looked from above (face-up position), 5ct Moissanite (9.66×9.66mm, princess cut) appears 45% larger than 5ct Cubic Zirconia (8.01×8.01mm, princess cut). See below how they compare side-by-side on a ring and finger.

5ct Cubic Zirconia (princess cut)
vs
5ct Moissanite (princess cut)
white
 
white
8.01×8.01 mm 9.66×9.66 mm
actual size
Actual size of 5ct Cubic Zirconia (princess cut, 8.01×8.01mm, White color)   Actual size of 5ct Moissanite (princess cut, 9.66×9.66mm, White color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 5ct Cubic Zirconia (princess cut, 8.01×8.01mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 5ct Moissanite (princess cut, 9.66×9.66mm) 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
48% vs 58%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 5ct Cubic Zirconia Princess (8.01×8.01mm, White) and 5ct Moissanite Princess (9.66×9.66mm, 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.


5 Ct Cubic Zirconia (Princess) 5 Ct Moissanite (Princess)
8.01×8.01 mm vs 9.66×9.66 mm
64.16 mm²   93.32 mm²
Face-up size outline for 5ct Moissanite (9.66×9.66mm, princess cut)
Face-up size outline for 5ct Cubic Zirconia (8.01×8.01mm, princess cut)
5ct Cubic Zirconia Princess (8.01×8.01mm)
5ct Moissanite Princess (9.66×9.66mm)
Difference: 45% (29.16 mm²)
5ct Moissanite (Princess, 9.66×9.66mm) has approx. 45% more face-up area than 5ct Cubic Zirconia (Princess, 8.01×8.01mm).


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