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1.58ct Sapphire (Round, 6.88×6.88mm, Blue) vs 1.5ct Sapphire (Oval, 7.22×5.97mm, Blue)


Quick summary: When looked from above (face-up position), 1.58ct Sapphire (6.88×6.88mm, round cut) appears 5% larger than 1.5ct Sapphire (7.22×5.97mm, oval cut). See below how they compare side-by-side on a ring and finger.

1.58ct Sapphire (round cut)
vs
 1.5ct Sapphire (oval cut)
blue
 
blue
6.88×6.88 mm 7.22×5.97 mm
actual size
Actual size of 1.58ct Sapphire (round cut, 6.88×6.88mm, Blue color)   Actual size of 1.5ct Sapphire (oval cut, 7.22×5.97mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1.58ct Sapphire (round cut, 6.88×6.88mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1.5ct Sapphire (oval cut, 7.22×5.97mm) 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
 41% vs 36%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.58ct Sapphire Round (6.88×6.88mm, Blue) and 1.5ct Sapphire Oval (7.22×5.97mm, 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.


1.58 Ct Sapphire (Round) 1.5 Ct Sapphire (Oval)
6.88×6.88 mm vs 7.22×5.97 mm
37.18 mm²   35.34 mm²
Face-up size outline for 1.58ct Sapphire (6.88×6.88mm, round cut)
Face-up size outline for 1.5ct Sapphire (7.22×5.97mm, oval cut)
1.58ct Sapphire Round (6.88×6.88mm)
1.5ct Sapphire Oval (7.22×5.97mm)
Difference: 5% (1.84 mm²)
1.58ct Sapphire (Round, 6.88×6.88mm) has approx. 5% more face-up area than 1.5ct Sapphire (Oval, 7.22×5.97mm).


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