20ct Cubic Zirconia (Heart, 15.14×15.14mm, White) vs 20ct Moissanite (Heart, 18.26×18.26mm, White)
Quick summary: When looked from above (face-up position), 20ct Moissanite (18.26×18.26mm, heart cut) appears 45% larger than 20ct Cubic Zirconia (15.14×15.14mm, heart cut). See below how they compare side-by-side on a ring and finger.
| 20ct Cubic Zirconia (heart cut) |
vs
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20ct Moissanite (heart cut) |
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white |
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| 15.14×15.14 mm | 18.26×18.26 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
20ct Cubic Zirconia Heart (15.14×15.14mm, White)
and
20ct Moissanite Heart (18.26×18.26mm, 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.
| 20 Ct Cubic Zirconia (Heart) | 20 Ct Moissanite (Heart) | |
| 15.14×15.14 mm | vs | 18.26×18.26 mm |
| 165.04 mm² | 240.07 mm² |
| 20ct Cubic Zirconia Heart (15.14×15.14mm) | |
| 20ct Moissanite Heart (18.26×18.26mm) | |
| Difference: 45% (75.03 mm²) |
20ct Moissanite (Heart, 18.26×18.26mm) has approx. 45% more face-up area than 20ct Cubic Zirconia (Heart, 15.14×15.14mm).
Popular comparisons:
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- 1ct Topaz (Round, Blue, 6 x 6) vs. 0.5ct Topaz (Round, Blue, 5 x 5)