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13ct Zircon (Trillion, 16.29×16.29mm, Orange) vs 13ct Pyrope (Trillion, 17.52×17.52mm, Red)


Quick summary: When looked from above (face-up position), 13ct Pyrope (17.52×17.52mm, trillion cut) appears 16% larger than 13ct Zircon (16.29×16.29mm, trillion cut). See below how they compare side-by-side on a ring and finger.

13ct Zircon (trillion cut)
vs
13ct Pyrope (trillion cut)
orange
 
red
16.29×16.29 mm 17.52×17.52 mm
actual size
Actual size of 13ct Zircon (trillion cut, 16.29×16.29mm, Orange color)   Actual size of 13ct Pyrope (trillion cut, 17.52×17.52mm, Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Orange 13ct Zircon (trillion cut, 16.29×16.29mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 13ct Pyrope (trillion cut, 17.52×17.52mm) 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
97% vs 104%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 13ct Zircon Trillion (16.29×16.29mm, Orange) and 13ct Pyrope Trillion (17.52×17.52mm, 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 Pyrope for a given carat weight, because it has higher specific gravity (4.7 vs. 3.78 - this means it's "heavier" compared to Pyrope 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.


13 Ct Zircon (Trillion) 13 Ct Pyrope (Trillion)
16.29×16.29 mm vs 17.52×17.52 mm
164.53 mm²   190.31 mm²
Face-up size outline for 13ct Pyrope (17.52×17.52mm, trillion cut)
Face-up size outline for 13ct Zircon (16.29×16.29mm, trillion cut)
13ct Zircon Trillion (16.29×16.29mm)
13ct Pyrope Trillion (17.52×17.52mm)
Difference: 16% (25.78 mm²)
13ct Pyrope (Trillion, 17.52×17.52mm) has approx. 16% more face-up area than 13ct Zircon (Trillion, 16.29×16.29mm).


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