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17ct Moissanite (Oval, 21.2×14.13mm, White) vs 17ct Zircon (Oval, 18.69×12.46mm, Orange)


Quick summary: When looked from above (face-up position), 17ct Moissanite (21.2×14.13mm, oval cut) appears 29% larger than 17ct Zircon (18.69×12.46mm, oval cut). See below how they compare side-by-side on a ring and finger.

17ct Moissanite (oval cut)
vs
 17ct Zircon (oval cut)
white
 
orange
21.2×14.13 mm 18.69×12.46 mm
actual size
Actual size of 17ct Moissanite (oval cut, 21.2×14.13mm, White color)   Actual size of 17ct Zircon (oval cut, 18.69×12.46mm, Orange color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 17ct Moissanite (oval cut, 21.2×14.13mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orange 17ct Zircon (oval cut, 18.69×12.46mm) 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
 84% vs 74%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 17ct Moissanite Oval (21.2×14.13mm, White) and 17ct Zircon Oval (18.69×12.46mm, Orange) 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, Zircon will face-up smaller than Moissanite for a given carat weight, because it has higher specific gravity (4.7 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.


17 Ct Moissanite (Oval) 17 Ct Zircon (Oval)
21.2×14.13 mm vs 18.69×12.46 mm
245.64 mm²   190.96 mm²
Face-up size outline for 17ct Moissanite (21.2×14.13mm, oval cut)
Face-up size outline for 17ct Zircon (18.69×12.46mm, oval cut)
17ct Moissanite Oval (21.2×14.13mm)
17ct Zircon Oval (18.69×12.46mm)
Difference: 29% (54.68 mm²)
17ct Moissanite (Oval, 21.2×14.13mm) has approx. 29% more face-up area than 17ct Zircon (Oval, 18.69×12.46mm).


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