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7ct Zircon (Cabochon, 12.41×8.27mm, Orange) vs 7ct Sunstone (Cabochon, 15.02×10.01mm, Orangey Red)


Quick summary: When looked from above (face-up position), 7ct Sunstone (15.02×10.01mm, cabochon cut) appears 46% larger than 7ct Zircon (12.41×8.27mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

7ct Zircon (cabochon cut)
vs
7ct Sunstone (cabochon cut)
orange
 
orangey red
12.41×8.27 mm 15.02×10.01 mm
actual size
Actual size of 7ct Zircon (cabochon cut, 12.41×8.27mm, Orange color)   Actual size of 7ct Sunstone (cabochon cut, 15.02×10.01mm, 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 7ct Zircon (cabochon cut, 12.41×8.27mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orangey Red 7ct Sunstone (cabochon cut, 15.02×10.01mm) 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
49% vs 60%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 7ct Zircon Cabochon (12.41×8.27mm, Orange) and 7ct Sunstone Cabochon (15.02×10.01mm, 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.


7 Ct Zircon (Cabochon) 7 Ct Sunstone (Cabochon)
12.41×8.27 mm vs 15.02×10.01 mm
84.16 mm²   123.29 mm²
Face-up size outline for 7ct Sunstone (15.02×10.01mm, cabochon cut)
Face-up size outline for 7ct Zircon (12.41×8.27mm, cabochon cut)
7ct Zircon Cabochon (12.41×8.27mm)
7ct Sunstone Cabochon (15.02×10.01mm)
Difference: 46% (39.13 mm²)
7ct Sunstone (Cabochon, 15.02×10.01mm) has approx. 46% more face-up area than 7ct Zircon (Cabochon, 12.41×8.27mm).


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