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7.5ct Ruby (Asscher, 10.44×10.44mm, Red) vs 7.5ct Pyrope (Asscher, 10.63×10.63mm, Red)


Quick summary: When looked from above (face-up position), 7.5ct Pyrope (10.63×10.63mm, asscher cut) appears 4% larger than 7.5ct Ruby (10.44×10.44mm, asscher cut). See below how they compare side-by-side on a ring and finger.

7.5ct Ruby (asscher cut)
vs
7.5ct Pyrope (asscher cut)
red
 
red
10.44×10.44 mm 10.63×10.63 mm
actual size
Actual size of 7.5ct Ruby (asscher cut, 10.44×10.44mm, Red color)   Actual size of 7.5ct Pyrope (asscher cut, 10.63×10.63mm, Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 7.5ct Ruby (asscher cut, 10.44×10.44mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 7.5ct Pyrope (asscher cut, 10.63×10.63mm) 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
62% vs 63%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 7.5ct Ruby Asscher (10.44×10.44mm, Red) and 7.5ct Pyrope Asscher (10.63×10.63mm, 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.


7.5 Ct Ruby (Asscher) 7.5 Ct Pyrope (Asscher)
10.44×10.44 mm vs 10.63×10.63 mm
100.27 mm²   103.96 mm²
Face-up size outline for 7.5ct Pyrope (10.63×10.63mm, asscher cut)
Face-up size outline for 7.5ct Ruby (10.44×10.44mm, asscher cut)
7.5ct Ruby Asscher (10.44×10.44mm)
7.5ct Pyrope Asscher (10.63×10.63mm)
Difference: 4% (3.69 mm²)
7.5ct Pyrope (Asscher, 10.63×10.63mm) has approx. 4% more face-up area than 7.5ct Ruby (Asscher, 10.44×10.44mm).


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