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6.5ct Pyrope (Cabochon, 13.02×8.68mm, Red) vs 6.5ct Spinel (Cabochon, 13.23×8.82mm, Red)


Quick summary: When looked from above (face-up position), 6.5ct Spinel (13.23×8.82mm, cabochon cut) appears 3% larger than 6.5ct Pyrope (13.02×8.68mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

6.5ct Pyrope (cabochon cut)
vs
6.5ct Spinel (cabochon cut)
red
 
red
13.02×8.68 mm 13.23×8.82 mm
actual size
Actual size of 6.5ct Pyrope (cabochon cut, 13.02×8.68mm, Red color)   Actual size of 6.5ct Spinel (cabochon cut, 13.23×8.82mm, Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 6.5ct Pyrope (cabochon cut, 13.02×8.68mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 6.5ct Spinel (cabochon cut, 13.23×8.82mm) 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
52% vs 53%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 6.5ct Pyrope Cabochon (13.02×8.68mm, Red) and 6.5ct Spinel Cabochon (13.23×8.82mm, 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, Pyrope will face-up smaller than Spinel for a given carat weight, because it has higher specific gravity (3.78 vs. 3.6 - this means it's "heavier" compared to Spinel 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.


6.5 Ct Pyrope (Cabochon) 6.5 Ct Spinel (Cabochon)
13.02×8.68 mm vs 13.23×8.82 mm
92.67 mm²   95.68 mm²
Face-up size outline for 6.5ct Spinel (13.23×8.82mm, cabochon cut)
Face-up size outline for 6.5ct Pyrope (13.02×8.68mm, cabochon cut)
6.5ct Pyrope Cabochon (13.02×8.68mm)
6.5ct Spinel Cabochon (13.23×8.82mm)
Difference: 3% (3.01 mm²)
6.5ct Spinel (Cabochon, 13.23×8.82mm) has approx. 3% more face-up area than 6.5ct Pyrope (Cabochon, 13.02×8.68mm).


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