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0.52ct Sapphire (Oval, 6.08×4.05mm, Blue) vs 0.45ct Ruby (Cabochon, 5.25×3.5mm, Red)


Quick summary: When looked from above (face-up position), 0.52ct Sapphire (6.08×4.05mm, oval cut) appears 34% larger than 0.45ct Ruby (5.25×3.5mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

0.52ct Sapphire (oval cut)
vs
 0.45ct Ruby (cabochon cut)
blue
 
red
6.08×4.05 mm 5.25×3.5 mm
actual size
Actual size of 0.52ct Sapphire (oval cut, 6.08×4.05mm, Blue color)   Actual size of 0.45ct Ruby (cabochon cut, 5.25×3.5mm, Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 0.52ct Sapphire (oval cut, 6.08×4.05mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 0.45ct Ruby (cabochon cut, 5.25×3.5mm) 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
 24% vs 21%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.52ct Sapphire Oval (6.08×4.05mm, Blue) and 0.45ct Ruby Cabochon (5.25×3.5mm, 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

Sapphire and Ruby 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.


0.52 Ct Sapphire (Oval) 0.45 Ct Ruby (Cabochon)
6.08×4.05 mm vs 5.25×3.5 mm
20.19 mm²   15.07 mm²
Face-up size outline for 0.52ct Sapphire (6.08×4.05mm, oval cut)
Face-up size outline for 0.45ct Ruby (5.25×3.5mm, cabochon cut)
0.52ct Sapphire Oval (6.08×4.05mm)
0.45ct Ruby Cabochon (5.25×3.5mm)
Difference: 34% (5.12 mm²)
0.52ct Sapphire (Oval, 6.08×4.05mm) has approx. 34% more face-up area than 0.45ct Ruby (Cabochon, 5.25×3.5mm).


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