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8ct Sapphire (Oval, 15.12×10.08mm, Blue) vs 0.85ct Sapphire (Oval, 7.17×4.78mm, Blue)


Quick summary: When looked from above (face-up position), 8ct Sapphire (15.12×10.08mm, oval cut) appears 4.5 times larger than 0.85ct Sapphire (7.17×4.78mm, oval cut). See below how they compare side-by-side on a ring and finger.

8ct Sapphire (oval cut)
vs
 0.85ct Sapphire (oval cut)
blue
 
blue
15.12×10.08 mm 7.17×4.78 mm
actual size
Actual size of 8ct Sapphire (oval cut, 15.12×10.08mm, Blue color)   Actual size of 0.85ct Sapphire (oval cut, 7.17×4.78mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 8ct Sapphire (oval cut, 15.12×10.08mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.85ct Sapphire (oval cut, 7.17×4.78mm) 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
 60% vs 29%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 8ct Sapphire Oval (15.12×10.08mm, Blue) and 0.85ct Sapphire Oval (7.17×4.78mm, 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.


8 Ct Sapphire (Oval) 0.85 Ct Sapphire (Oval)
15.12×10.08 mm vs 7.17×4.78 mm
124.98 mm²   28.1 mm²
Face-up size outline for 8ct Sapphire (15.12×10.08mm, oval cut)
Face-up size outline for 0.85ct Sapphire (7.17×4.78mm, oval cut)
8ct Sapphire Oval (15.12×10.08mm)
0.85ct Sapphire Oval (7.17×4.78mm)
Difference: 345% (96.88 mm²)
8ct Sapphire (Oval, 15.12×10.08mm) has approx. 345% more face-up area than 0.85ct Sapphire (Oval, 7.17×4.78mm). In other words, it's 4.45x larger.


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