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2.78ct Sapphire (Round, 7.8×7.8mm, Blue) vs 2.03ct Sapphire (Oval, 8.41×6.73mm, Blue)


Quick summary: When looked from above (face-up position), 2.78ct Sapphire (7.8×7.8mm, round cut) appears 3% larger than 2.03ct Sapphire (8.41×6.73mm, oval cut). See below how they compare side-by-side on a ring and finger.

2.78ct Sapphire (round cut)
vs
 2.03ct Sapphire (oval cut)
blue
 
blue
7.8×7.8 mm 8.41×6.73 mm
actual size
Actual size of 2.78ct Sapphire (round cut, 7.8×7.8mm, Blue color)   Actual size of 2.03ct Sapphire (oval cut, 8.41×6.73mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 2.78ct Sapphire (round cut, 7.8×7.8mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 2.03ct Sapphire (oval cut, 8.41×6.73mm) 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 40%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 2.78ct Sapphire Round (7.8×7.8mm, Blue) and 2.03ct Sapphire Oval (8.41×6.73mm, 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.


2.78 Ct Sapphire (Round) 2.03 Ct Sapphire (Oval)
7.8×7.8 mm vs 8.41×6.73 mm
47.78 mm²   46.41 mm²
Face-up size outline for 2.78ct Sapphire (7.8×7.8mm, round cut)
Face-up size outline for 2.03ct Sapphire (8.41×6.73mm, oval cut)
2.78ct Sapphire Round (7.8×7.8mm)
2.03ct Sapphire Oval (8.41×6.73mm)
Difference: 3% (1.37 mm²)
2.78ct Sapphire (Round, 7.8×7.8mm) has approx. 3% more face-up area than 2.03ct Sapphire (Oval, 8.41×6.73mm).


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