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0.81ct Ruby (Oval, 7.05×4.7mm, Red) vs 1.03ct Sapphire (Oval, 7.64×5.09mm, Blue)


Quick summary: When looked from above (face-up position), 1.03ct Sapphire (7.64×5.09mm, oval cut) appears 17% larger than 0.81ct Ruby (7.05×4.7mm, oval cut). See below how they compare side-by-side on a ring and finger.

0.81ct Ruby (oval cut)
vs
 1.03ct Sapphire (oval cut)
red
 
blue
7.05×4.7 mm 7.64×5.09 mm
actual size
Actual size of 0.81ct Ruby (oval cut, 7.05×4.7mm, Red color)   Actual size of 1.03ct Sapphire (oval cut, 7.64×5.09mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 0.81ct Ruby (oval cut, 7.05×4.7mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1.03ct Sapphire (oval cut, 7.64×5.09mm) 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
 28% vs 31%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.81ct Ruby Oval (7.05×4.7mm, Red) and 1.03ct Sapphire Oval (7.64×5.09mm, 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.


0.81 Ct Ruby (Oval) 1.03 Ct Sapphire (Oval)
7.05×4.7 mm vs 7.64×5.09 mm
27.17 mm²   31.89 mm²
Face-up size outline for 1.03ct Sapphire (7.64×5.09mm, oval cut)
Face-up size outline for 0.81ct Ruby (7.05×4.7mm, oval cut)
0.81ct Ruby Oval (7.05×4.7mm)
1.03ct Sapphire Oval (7.64×5.09mm)
Difference: 17% (4.72 mm²)
1.03ct Sapphire (Oval, 7.64×5.09mm) has approx. 17% more face-up area than 0.81ct Ruby (Oval, 7.05×4.7mm).


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