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5.5ct Ruby (Cushion, 9.77×9.77mm, Red) vs 5.5ct Pyrope (Cushion, 9.96×9.96mm, Red)


Quick summary: When looked from above (face-up position), 5.5ct Pyrope (9.96×9.96mm, cushion cut) appears 4% larger than 5.5ct Ruby (9.77×9.77mm, cushion cut). See below how they compare side-by-side on a ring and finger.

5.5ct Ruby (cushion cut)
vs
5.5ct Pyrope (cushion cut)
red
 
red
9.77×9.77 mm 9.96×9.96 mm
actual size
Actual size of 5.5ct Ruby (cushion cut, 9.77×9.77mm, Red color)   Actual size of 5.5ct Pyrope (cushion cut, 9.96×9.96mm, Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 5.5ct Ruby (cushion cut, 9.77×9.77mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 5.5ct Pyrope (cushion cut, 9.96×9.96mm) 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
58% vs 59%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 5.5ct Ruby Cushion (9.77×9.77mm, Red) and 5.5ct Pyrope Cushion (9.96×9.96mm, 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.


5.5 Ct Ruby (Cushion) 5.5 Ct Pyrope (Cushion)
9.77×9.77 mm vs 9.96×9.96 mm
85.91 mm²   89.28 mm²
Face-up size outline for 5.5ct Pyrope (9.96×9.96mm, cushion cut)
Face-up size outline for 5.5ct Ruby (9.77×9.77mm, cushion cut)
5.5ct Ruby Cushion (9.77×9.77mm)
5.5ct Pyrope Cushion (9.96×9.96mm)
Difference: 4% (3.37 mm²)
5.5ct Pyrope (Cushion, 9.96×9.96mm) has approx. 4% more face-up area than 5.5ct Ruby (Cushion, 9.77×9.77mm).


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