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1.25ct Moissanite (Asscher, 6.17×6.17mm, White) vs 1.25ct Cubic Zirconia (Asscher, 5.12×5.12mm, White)


Quick summary: When looked from above (face-up position), 1.25ct Moissanite (6.17×6.17mm, asscher cut) appears 45% larger than 1.25ct Cubic Zirconia (5.12×5.12mm, asscher cut). See below how they compare side-by-side on a ring and finger.

1.25ct Moissanite (asscher cut)
vs
1.25ct Cubic Zirconia (asscher cut)
white
 
white
6.17×6.17 mm 5.12×5.12 mm
actual size
Actual size of 1.25ct Moissanite (asscher cut, 6.17×6.17mm, White color)   Actual size of 1.25ct Cubic Zirconia (asscher cut, 5.12×5.12mm, White color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 1.25ct Moissanite (asscher cut, 6.17×6.17mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 1.25ct Cubic Zirconia (asscher cut, 5.12×5.12mm) 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
37% vs 31%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.25ct Moissanite Asscher (6.17×6.17mm, White) and 1.25ct Cubic Zirconia Asscher (5.12×5.12mm, 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.


1.25 Ct Moissanite (Asscher) 1.25 Ct Cubic Zirconia (Asscher)
6.17×6.17 mm vs 5.12×5.12 mm
35.02 mm²   24.12 mm²
Face-up size outline for 1.25ct Moissanite (6.17×6.17mm, asscher cut)
Face-up size outline for 1.25ct Cubic Zirconia (5.12×5.12mm, asscher cut)
1.25ct Moissanite Asscher (6.17×6.17mm)
1.25ct Cubic Zirconia Asscher (5.12×5.12mm)
Difference: 45% (10.9 mm²)
1.25ct Moissanite (Asscher, 6.17×6.17mm) has approx. 45% more face-up area than 1.25ct Cubic Zirconia (Asscher, 5.12×5.12mm).


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