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3.7ct Sapphire (Oval, 11.7×7.8mm, Blue) vs 2.51ct Sapphire (Oval, 10.28×6.85mm, Blue)


Quick summary: When looked from above (face-up position), 3.7ct Sapphire (11.7×7.8mm, oval cut) appears 30% larger than 2.51ct Sapphire (10.28×6.85mm, oval cut). See below how they compare side-by-side on a ring and finger.

3.7ct Sapphire (oval cut)
vs
 2.51ct Sapphire (oval cut)
blue
 
blue
11.7×7.8 mm 10.28×6.85 mm
actual size
Actual size of 3.7ct Sapphire (oval cut, 11.7×7.8mm, Blue color)   Actual size of 2.51ct Sapphire (oval cut, 10.28×6.85mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 3.7ct Sapphire (oval cut, 11.7×7.8mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 2.51ct Sapphire (oval cut, 10.28×6.85mm) 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
 47% vs 41%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 3.7ct Sapphire Oval (11.7×7.8mm, Blue) and 2.51ct Sapphire Oval (10.28×6.85mm, 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

The face-up size depends on the shape of the gem, its weight and the 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.


3.7 Ct Sapphire (Oval) 2.51 Ct Sapphire (Oval)
11.7×7.8 mm vs 10.28×6.85 mm
74.83 mm²   57.74 mm²
Face-up size outline for 3.7ct Sapphire (11.7×7.8mm, oval cut)
Face-up size outline for 2.51ct Sapphire (10.28×6.85mm, oval cut)
3.7ct Sapphire Oval (11.7×7.8mm)
2.51ct Sapphire Oval (10.28×6.85mm)
Difference: 30% (17.09 mm²)
3.7ct Sapphire (Oval, 11.7×7.8mm) has approx. 30% more face-up area than 2.51ct Sapphire (Oval, 10.28×6.85mm).


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