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3.5ct Zircon (Cabochon, 9.84×6.56mm, Orange) vs 3.5ct Sunstone (Cabochon, 11.93×7.95mm, Orangey Red)


Quick summary: When looked from above (face-up position), 3.5ct Sunstone (11.93×7.95mm, cabochon cut) appears 47% larger than 3.5ct Zircon (9.84×6.56mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

3.5ct Zircon (cabochon cut)
vs
3.5ct Sunstone (cabochon cut)
orange
 
orangey red
9.84×6.56 mm 11.93×7.95 mm
actual size
Actual size of 3.5ct Zircon (cabochon cut, 9.84×6.56mm, Orange color)   Actual size of 3.5ct Sunstone (cabochon cut, 11.93×7.95mm, 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 3.5ct Zircon (cabochon cut, 9.84×6.56mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orangey Red 3.5ct Sunstone (cabochon cut, 11.93×7.95mm) 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
39% vs 48%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 3.5ct Zircon Cabochon (9.84×6.56mm, Orange) and 3.5ct Sunstone Cabochon (11.93×7.95mm, 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.


3.5 Ct Zircon (Cabochon) 3.5 Ct Sunstone (Cabochon)
9.84×6.56 mm vs 11.93×7.95 mm
52.93 mm²   77.77 mm²
Face-up size outline for 3.5ct Sunstone (11.93×7.95mm, cabochon cut)
Face-up size outline for 3.5ct Zircon (9.84×6.56mm, cabochon cut)
3.5ct Zircon Cabochon (9.84×6.56mm)
3.5ct Sunstone Cabochon (11.93×7.95mm)
Difference: 47% (24.84 mm²)
3.5ct Sunstone (Cabochon, 11.93×7.95mm) has approx. 47% more face-up area than 3.5ct Zircon (Cabochon, 9.84×6.56mm).


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