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5.5ct Zircon (Oval, 12.83×8.55mm, Orange) vs 5.5ct Sunstone (Oval, 15.53×10.35mm, Orangey Red)


Quick summary: When looked from above (face-up position), 5.5ct Sunstone (15.53×10.35mm, oval cut) appears 47% larger than 5.5ct Zircon (12.83×8.55mm, oval cut). See below how they compare side-by-side on a ring and finger.

5.5ct Zircon (oval cut)
vs
5.5ct Sunstone (oval cut)
orange
 
orangey red
12.83×8.55 mm 15.53×10.35 mm
actual size
Actual size of 5.5ct Zircon (oval cut, 12.83×8.55mm, Orange color)   Actual size of 5.5ct Sunstone (oval cut, 15.53×10.35mm, Orangey Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Orange 5.5ct Zircon (oval cut, 12.83×8.55mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orangey Red 5.5ct Sunstone (oval cut, 15.53×10.35mm) 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
51% vs 62%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 5.5ct Zircon Oval (12.83×8.55mm, Orange) and 5.5ct Sunstone Oval (15.53×10.35mm, Orangey Red) 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 Sunstone for a given carat weight, because it has higher specific gravity (4.7 vs. 2.65 - this means it's "heavier" compared to Sunstone 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.


5.5 Ct Zircon (Oval) 5.5 Ct Sunstone (Oval)
12.83×8.55 mm vs 15.53×10.35 mm
89.95 mm²   131.8 mm²
Face-up size outline for 5.5ct Sunstone (15.53×10.35mm, oval cut)
Face-up size outline for 5.5ct Zircon (12.83×8.55mm, oval cut)
5.5ct Zircon Oval (12.83×8.55mm)
5.5ct Sunstone Oval (15.53×10.35mm)
Difference: 47% (41.85 mm²)
5.5ct Sunstone (Oval, 15.53×10.35mm) has approx. 47% more face-up area than 5.5ct Zircon (Oval, 12.83×8.55mm).


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