×
carat vs. color  length*  width*
  ×

(or examine a )
* size in mm (optional)

1.42ct Sapphire (Oval, 8.51×5.67mm, Blue) vs 1.8ct Sapphire (Round, 6.8×6.8mm, Blue)


Quick summary: When looked from above (face-up position), 1.42ct Sapphire (8.51×5.67mm, oval cut) appears 9% larger than 1.8ct Sapphire (6.8×6.8mm, round cut). See below how they compare side-by-side on a ring and finger.

1.42ct Sapphire (oval cut)
vs
 1.8ct Sapphire (round cut)
blue
 
blue
8.51×5.67 mm 6.8×6.8 mm
actual size
Actual size of 1.42ct Sapphire (oval cut, 8.51×5.67mm, Blue color)   Actual size of 1.8ct Sapphire (round cut, 6.8×6.8mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1.42ct Sapphire (oval cut, 8.51×5.67mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1.8ct Sapphire (round cut, 6.8×6.8mm) 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
 34% vs 41%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.42ct Sapphire Oval (8.51×5.67mm, Blue) and 1.8ct Sapphire Round (6.8×6.8mm, 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.


1.42 Ct Sapphire (Oval) 1.8 Ct Sapphire (Round)
8.51×5.67 mm vs 6.8×6.8 mm
39.57 mm²   36.32 mm²
Face-up size outline for 1.42ct Sapphire (8.51×5.67mm, oval cut)
Face-up size outline for 1.8ct Sapphire (6.8×6.8mm, round cut)
1.42ct Sapphire Oval (8.51×5.67mm)
1.8ct Sapphire Round (6.8×6.8mm)
Difference: 9% (3.25 mm²)
1.42ct Sapphire (Oval, 8.51×5.67mm) has approx. 9% more face-up area than 1.8ct Sapphire (Round, 6.8×6.8mm).


Popular comparisons: