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4.5ct Almandine (Princess, 8.64×8.64mm, Dark Red) vs 4.5ct Rhodolite (Princess, 8.79×8.79mm, Purple)


Quick summary: When looked from above (face-up position), 4.5ct Rhodolite (8.79×8.79mm, princess cut) appears 3% larger than 4.5ct Almandine (8.64×8.64mm, princess cut). See below how they compare side-by-side on a ring and finger.

4.5ct Almandine (princess cut)
vs
4.5ct Rhodolite (princess cut)
dark red
 
purple
8.64×8.64 mm 8.79×8.79 mm
actual size
Actual size of 4.5ct Almandine (princess cut, 8.64×8.64mm, Dark Red color)   Actual size of 4.5ct Rhodolite (princess cut, 8.79×8.79mm, Purple color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Dark Red 4.5ct Almandine (princess cut, 8.64×8.64mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Purple 4.5ct Rhodolite (princess cut, 8.79×8.79mm) 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 4.5ct Almandine Princess (8.64×8.64mm, Dark Red) and 4.5ct Rhodolite Princess (8.79×8.79mm, Purple) 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, Almandine will face-up smaller than Rhodolite for a given carat weight, because it has higher specific gravity (4.05 vs. 3.84 - this means it's "heavier" compared to Rhodolite 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.


4.5 Ct Almandine (Princess) 4.5 Ct Rhodolite (Princess)
8.64×8.64 mm vs 8.79×8.79 mm
74.65 mm²   77.26 mm²
Face-up size outline for 4.5ct Rhodolite (8.79×8.79mm, princess cut)
Face-up size outline for 4.5ct Almandine (8.64×8.64mm, princess cut)
4.5ct Almandine Princess (8.64×8.64mm)
4.5ct Rhodolite Princess (8.79×8.79mm)
Difference: 3% (2.61 mm²)
4.5ct Rhodolite (Princess, 8.79×8.79mm) has approx. 3% more face-up area than 4.5ct Almandine (Princess, 8.64×8.64mm).


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