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0.45ct Ruby (Cushion, 4.28×4.28mm, Red) vs 0.45ct Sapphire (Emerald, 4.89×3.62mm, Blue)


Quick summary: When looked from above (face-up position), 0.45ct Ruby (4.28×4.28mm, cushion cut) appears 0.2% larger than 0.45ct Sapphire (4.89×3.62mm, emerald cut). See below how they compare side-by-side on a ring and finger.

0.45ct Ruby (cushion cut)
vs
 0.45ct Sapphire (emerald cut)
red
 
blue
4.28×4.28 mm 4.89×3.62 mm
actual size
Actual size of 0.45ct Ruby (cushion cut, 4.28×4.28mm, Red color)   Actual size of 0.45ct Sapphire (emerald cut, 4.89×3.62mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 0.45ct Ruby (cushion cut, 4.28×4.28mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.45ct Sapphire (emerald cut, 4.89×3.62mm) 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
 26% vs 22%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.45ct Ruby Cushion (4.28×4.28mm, Red) and 0.45ct Sapphire Emerald (4.89×3.62mm, 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

Ruby and Sapphire have the same specific gravity so their face-up size depends on the weight, shape and 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.


0.45 Ct Ruby (Cushion) 0.45 Ct Sapphire (Emerald)
4.28×4.28 mm vs 4.89×3.62 mm
16.49 mm²   16.46 mm²
Face-up size outline for 0.45ct Ruby (4.28×4.28mm, cushion cut)
Face-up size outline for 0.45ct Sapphire (4.89×3.62mm, emerald cut)
0.45ct Ruby Cushion (4.28×4.28mm)
0.45ct Sapphire Emerald (4.89×3.62mm)
Difference: 0.2% (0.03 mm²)
0.45ct Ruby (Cushion, 4.28×4.28mm) has approx. 0.2% more face-up area than 0.45ct Sapphire (Emerald, 4.89×3.62mm).


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