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1.85ct Sapphire (Oval, 8.3×6.6mm, Blue) vs 3.68ct Sapphire (Round, 10.6×8.9mm, Blue)


Quick summary: When looked from above (face-up position), 3.68ct Sapphire (10.6×8.9mm, round cut) appears 65% larger than 1.85ct Sapphire (8.3×6.6mm, oval cut). See below how they compare side-by-side on a ring and finger.

1.85ct Sapphire (oval cut)
vs
 3.68ct Sapphire (round cut)
blue
 
blue
8.3×6.6 mm 10.6×8.9 mm
actual size
Actual size of 1.85ct Sapphire (oval cut, 8.3×6.6mm, Blue color)   Actual size of 3.68ct Sapphire (round cut, 10.6×8.9mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1.85ct Sapphire (oval cut, 8.3×6.6mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 3.68ct Sapphire (round cut, 10.6×8.9mm) 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
 40% vs 53%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.85ct Sapphire Oval (8.3×6.6mm, Blue) and 3.68ct Sapphire Round (10.6×8.9mm, 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.


1.85 Ct Sapphire (Oval) 3.68 Ct Sapphire (Round)
8.3×6.6 mm vs 10.6×8.9 mm
44.92 mm²   74.09 mm²
Face-up size outline for 3.68ct Sapphire (10.6×8.9mm, round cut)
Face-up size outline for 1.85ct Sapphire (8.3×6.6mm, oval cut)
1.85ct Sapphire Oval (8.3×6.6mm)
3.68ct Sapphire Round (10.6×8.9mm)
Difference: 65% (29.17 mm²)
3.68ct Sapphire (Round, 10.6×8.9mm) has approx. 65% more face-up area than 1.85ct Sapphire (Oval, 8.3×6.6mm).


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