40ct Cubic Zirconia (Oval, 23.37×15.58mm, White) vs 40ct Moissanite (Oval, 28.19×18.79mm, White)
Quick summary: When looked from above (face-up position), 40ct Moissanite (28.19×18.79mm, oval cut) appears 45% larger than 40ct Cubic Zirconia (23.37×15.58mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 40ct Cubic Zirconia (oval cut) |
vs
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40ct Moissanite (oval cut) |
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white |
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| 23.37×15.58 mm | 28.19×18.79 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
40ct Cubic Zirconia Oval (23.37×15.58mm, White)
and
40ct Moissanite Oval (28.19×18.79mm, 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.
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.
| 40 Ct Cubic Zirconia (Oval) | 40 Ct Moissanite (Oval) | |
| 23.37×15.58 mm | vs | 28.19×18.79 mm |
| 298.57 mm² | 434.35 mm² |
| 40ct Cubic Zirconia Oval (23.37×15.58mm) | |
| 40ct Moissanite Oval (28.19×18.79mm) | |
| Difference: 45% (135.78 mm²) |
40ct Moissanite (Oval, 28.19×18.79mm) has approx. 45% more face-up area than 40ct Cubic Zirconia (Oval, 23.37×15.58mm).
Popular comparisons:
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- 1ct Sapphire (Baguette, Blue, 6.93 x 4.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Topaz (Round, Blue, 6 x 6) vs. 0.5ct Topaz (Round, Blue, 5 x 5)