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4.33ct Spinel (Cushion, 11.2×8.3mm, Dark Purple) vs 2.3ct Sapphire (Emerald, 8.42×6.24mm, Blue)


Quick summary: When looked from above (face-up position), 4.33ct Spinel (11.2×8.3mm, cushion cut) appears 71% larger than 2.3ct Sapphire (8.42×6.24mm, emerald cut). See below how they compare side-by-side on a ring and finger.

4.33ct Spinel (cushion cut)
vs
 2.3ct Sapphire (emerald cut)
dark purple
 
blue
11.2×8.3 mm 8.42×6.24 mm
actual size
Actual size of 4.33ct Spinel (cushion cut, 11.2×8.3mm, Dark Purple color)   Actual size of 2.3ct Sapphire (emerald cut, 8.42×6.24mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Dark Purple 4.33ct Spinel (cushion cut, 11.2×8.3mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 2.3ct Sapphire (emerald cut, 8.42×6.24mm) 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
 50% vs 37%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 4.33ct Spinel Cushion (11.2×8.3mm, Dark Purple) and 2.3ct Sapphire Emerald (8.42×6.24mm, Blue) 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, Sapphire 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.


4.33 Ct Spinel (Cushion) 2.3 Ct Sapphire (Emerald)
11.2×8.3 mm vs 8.42×6.24 mm
83.66 mm²   48.86 mm²
Face-up size outline for 4.33ct Spinel (11.2×8.3mm, cushion cut)
Face-up size outline for 2.3ct Sapphire (8.42×6.24mm, emerald cut)
4.33ct Spinel Cushion (11.2×8.3mm)
2.3ct Sapphire Emerald (8.42×6.24mm)
Difference: 71% (34.8 mm²)
4.33ct Spinel (Cushion, 11.2×8.3mm) has approx. 71% more face-up area than 2.3ct Sapphire (Emerald, 8.42×6.24mm).


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