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3.5ct Zircon (Trillion, 10.52×10.52mm, Orange) vs 3.5ct Sunstone (Trillion, 12.73×12.73mm, Orangey Red)


Quick summary: When looked from above (face-up position), 3.5ct Sunstone (12.73×12.73mm, trillion cut) appears 46% larger than 3.5ct Zircon (10.52×10.52mm, trillion cut). See below how they compare side-by-side on a ring and finger.

3.5ct Zircon (trillion cut)
vs
3.5ct Sunstone (trillion cut)
orange
 
orangey red
10.52×10.52 mm 12.73×12.73 mm
actual size
Actual size of 3.5ct Zircon (trillion cut, 10.52×10.52mm, Orange color)   Actual size of 3.5ct Sunstone (trillion cut, 12.73×12.73mm, 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 (trillion cut, 10.52×10.52mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orangey Red 3.5ct Sunstone (trillion cut, 12.73×12.73mm) 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
63% vs 76%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 3.5ct Zircon Trillion (10.52×10.52mm, Orange) and 3.5ct Sunstone Trillion (12.73×12.73mm, 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 (Trillion) 3.5 Ct Sunstone (Trillion)
10.52×10.52 mm vs 12.73×12.73 mm
68.62 mm²   100.47 mm²
Face-up size outline for 3.5ct Sunstone (12.73×12.73mm, trillion cut)
Face-up size outline for 3.5ct Zircon (10.52×10.52mm, trillion cut)
3.5ct Zircon Trillion (10.52×10.52mm)
3.5ct Sunstone Trillion (12.73×12.73mm)
Difference: 46% (31.85 mm²)
3.5ct Sunstone (Trillion, 12.73×12.73mm) has approx. 46% more face-up area than 3.5ct Zircon (Trillion, 10.52×10.52mm).


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