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1ct Rhodolite (Cushion, 5.61×5.61mm, Purple) vs 1ct Sunstone (Cushion, 6.35×6.35mm, Orangey Red)


Quick summary: When looked from above (face-up position), 1ct Sunstone (6.35×6.35mm, cushion cut) appears 28% larger than 1ct Rhodolite (5.61×5.61mm, cushion cut). See below how they compare side-by-side on a ring and finger.

1ct Rhodolite (cushion cut)
vs
1ct Sunstone (cushion cut)
purple
 
orangey red
5.61×5.61 mm 6.35×6.35 mm
actual size
Actual size of 1ct Rhodolite (cushion cut, 5.61×5.61mm, Purple color)   Actual size of 1ct Sunstone (cushion cut, 6.35×6.35mm, Orangey Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Purple 1ct Rhodolite (cushion cut, 5.61×5.61mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orangey Red 1ct Sunstone (cushion cut, 6.35×6.35mm) 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
34% vs 38%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1ct Rhodolite Cushion (5.61×5.61mm, Purple) and 1ct Sunstone Cushion (6.35×6.35mm, Orangey 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, Rhodolite will face-up smaller than Sunstone for a given carat weight, because it has higher specific gravity (3.84 vs. 2.65 - this means it's "heavier" compared to Sunstone 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.


1 Ct Rhodolite (Cushion) 1 Ct Sunstone (Cushion)
5.61×5.61 mm vs 6.35×6.35 mm
28.32 mm²   36.29 mm²
Face-up size outline for 1ct Sunstone (6.35×6.35mm, cushion cut)
Face-up size outline for 1ct Rhodolite (5.61×5.61mm, cushion cut)
1ct Rhodolite Cushion (5.61×5.61mm)
1ct Sunstone Cushion (6.35×6.35mm)
Difference: 28% (7.97 mm²)
1ct Sunstone (Cushion, 6.35×6.35mm) has approx. 28% more face-up area than 1ct Rhodolite (Cushion, 5.61×5.61mm).


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