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2.5ct Ruby (Oval, 10.26×6.84mm, Red) vs 1.9ct Sapphire (Cushion, 6.93×6.93mm, Blue)


Quick summary: When looked from above (face-up position), 2.5ct Ruby (10.26×6.84mm, oval cut) appears 33% larger than 1.9ct Sapphire (6.93×6.93mm, cushion cut). See below how they compare side-by-side on a ring and finger.

2.5ct Ruby (oval cut)
vs
1.9ct Sapphire (cushion cut)
red
 
blue
10.26×6.84 mm 6.93×6.93 mm
actual size
Actual size of 2.5ct Ruby (oval cut, 10.26×6.84mm, Red color)   Actual size of 1.9ct Sapphire (cushion cut, 6.93×6.93mm, Blue color)
 
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Ring: Skin tone:
Ring width: 3.0 mm
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Left finger image
Ring on left finger
Red 2.5ct Ruby (oval cut, 10.26×6.84mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1.9ct Sapphire (cushion cut, 6.93×6.93mm) 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
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Ring diameter: 16.9 mm
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Actual sizes of 2.5ct Ruby Oval (10.26×6.84mm, Red) and 1.9ct Sapphire Cushion (6.93×6.93mm, 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.


2.5 Ct Ruby (Oval) 1.9 Ct Sapphire (Cushion)
10.26×6.84 mm vs 6.93×6.93 mm
57.55 mm²   43.22 mm²
Face-up size outline for 2.5ct Ruby (10.26×6.84mm, oval cut)
Face-up size outline for 1.9ct Sapphire (6.93×6.93mm, cushion cut)
2.5ct Ruby Oval (10.26×6.84mm)
1.9ct Sapphire Cushion (6.93×6.93mm)
Difference: 33% (14.33 mm²)
2.5ct Ruby Oval (10.26×6.84mm) has approx. 33% more face-up area than 1.9ct Sapphire Cushion (6.93×6.93mm).


Popular comparisons:

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