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1ct Ruby (Asscher, 5.33×5.33mm, Red) vs 1ct Spinel (Asscher, 5.52×5.52mm, Red)


Quick summary: When looked from above (face-up position), 1ct Spinel (5.52×5.52mm, asscher cut) appears 7% larger than 1ct Ruby (5.33×5.33mm, asscher cut). See below how they compare side-by-side on a ring and finger.

1ct Ruby (asscher cut)
vs
1ct Spinel (asscher cut)
red
 
red
5.33×5.33 mm 5.52×5.52 mm
actual size
Actual size of 1ct Ruby (asscher cut, 5.33×5.33mm, Red color)   Actual size of 1ct Spinel (asscher cut, 5.52×5.52mm, Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 1ct Ruby (asscher cut, 5.33×5.33mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 1ct Spinel (asscher cut, 5.52×5.52mm) 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
32% vs 33%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1ct Ruby Asscher (5.33×5.33mm, Red) and 1ct Spinel Asscher (5.52×5.52mm, 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 Spinel for a given carat weight, because it has higher specific gravity (4 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.


1 Ct Ruby (Asscher) 1 Ct Spinel (Asscher)
5.33×5.33 mm vs 5.52×5.52 mm
26.14 mm²   28.03 mm²
Face-up size outline for 1ct Spinel (5.52×5.52mm, asscher cut)
Face-up size outline for 1ct Ruby (5.33×5.33mm, asscher cut)
1ct Ruby Asscher (5.33×5.33mm)
1ct Spinel Asscher (5.52×5.52mm)
Difference: 7% (1.89 mm²)
1ct Spinel (Asscher, 5.52×5.52mm) has approx. 7% more face-up area than 1ct Ruby (Asscher, 5.33×5.33mm).


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