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11ct Sapphire (Oval, 16.82×11.21mm, Blue) vs 11ct Ruby (Emerald, 14.2×10.52mm, Red)


Quick summary: When looked from above (face-up position), 11ct Sapphire (16.82×11.21mm, oval cut) appears 11% larger than 11ct Ruby (14.2×10.52mm, emerald cut). See below how they compare side-by-side on a ring and finger.

11ct Sapphire (oval cut)
vs
 11ct Ruby (emerald cut)
blue
 
red
16.82×11.21 mm 14.2×10.52 mm
actual size
Actual size of 11ct Sapphire (oval cut, 16.82×11.21mm, Blue color)   Actual size of 11ct Ruby (emerald cut, 14.2×10.52mm, Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 11ct Sapphire (oval cut, 16.82×11.21mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 11ct Ruby (emerald cut, 14.2×10.52mm) 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
 67% vs 63%
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Ring diameter: 16.9 mm
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Actual sizes of 11ct Sapphire Oval (16.82×11.21mm, Blue) and 11ct Ruby Emerald (14.2×10.52mm, 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

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.


11 Ct Sapphire (Oval) 11 Ct Ruby (Emerald)
16.82×11.21 mm vs 14.2×10.52 mm
154.61 mm²   138.93 mm²
Face-up size outline for 11ct Sapphire (16.82×11.21mm, oval cut)
Face-up size outline for 11ct Ruby (14.2×10.52mm, emerald cut)
11ct Sapphire Oval (16.82×11.21mm)
11ct Ruby Emerald (14.2×10.52mm)
Difference: 11% (15.68 mm²)
11ct Sapphire (Oval, 16.82×11.21mm) has approx. 11% more face-up area than 11ct Ruby (Emerald, 14.2×10.52mm).


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