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6ct Ruby (Princess, 9.54×9.54mm, Red) vs 6ct Pyrope (Princess, 9.73×9.73mm, Red)


Quick summary: When looked from above (face-up position), 6ct Pyrope (9.73×9.73mm, princess cut) appears 4% larger than 6ct Ruby (9.54×9.54mm, princess cut). See below how they compare side-by-side on a ring and finger.

6ct Ruby (princess cut)
vs
6ct Pyrope (princess cut)
red
 
red
9.54×9.54 mm 9.73×9.73 mm
actual size
Actual size of 6ct Ruby (princess cut, 9.54×9.54mm, Red color)   Actual size of 6ct Pyrope (princess cut, 9.73×9.73mm, Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 6ct Ruby (princess cut, 9.54×9.54mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 6ct Pyrope (princess cut, 9.73×9.73mm) 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
57% vs 58%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 6ct Ruby Princess (9.54×9.54mm, Red) and 6ct Pyrope Princess (9.73×9.73mm, 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, Ruby will face-up smaller than Pyrope for a given carat weight, because it has higher specific gravity (4 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.


6 Ct Ruby (Princess) 6 Ct Pyrope (Princess)
9.54×9.54 mm vs 9.73×9.73 mm
91.01 mm²   94.67 mm²
Face-up size outline for 6ct Pyrope (9.73×9.73mm, princess cut)
Face-up size outline for 6ct Ruby (9.54×9.54mm, princess cut)
6ct Ruby Princess (9.54×9.54mm)
6ct Pyrope Princess (9.73×9.73mm)
Difference: 4% (3.66 mm²)
6ct Pyrope (Princess, 9.73×9.73mm) has approx. 4% more face-up area than 6ct Ruby (Princess, 9.54×9.54mm).


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