×
carat vs. color  length*  width*
  ×

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

0.75ct Sapphire (Oval, 6.87×4.58mm, Blue) vs 0.8ct Sapphire (Round, 5.55×5.55mm, Blue)


Quick summary: When looked from above (face-up position), 0.75ct Sapphire (6.87×4.58mm, oval cut) appears 7% larger than 0.8ct Sapphire (5.55×5.55mm, round cut). See below how they compare side-by-side on a ring and finger.

0.75ct Sapphire (oval cut)
vs
 0.8ct Sapphire (round cut)
blue
 
blue
6.87×4.58 mm 5.55×5.55 mm
actual size
Actual size of 0.75ct Sapphire (oval cut, 6.87×4.58mm, Blue color)   Actual size of 0.8ct Sapphire (round cut, 5.55×5.55mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 0.75ct Sapphire (oval cut, 6.87×4.58mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.8ct Sapphire (round cut, 5.55×5.55mm) 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
 28% vs 33%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.75ct Sapphire Oval (6.87×4.58mm, Blue) and 0.8ct Sapphire Round (5.55×5.55mm, 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.


0.75 Ct Sapphire (Oval) 0.8 Ct Sapphire (Round)
6.87×4.58 mm vs 5.55×5.55 mm
25.8 mm²   24.19 mm²
Face-up size outline for 0.75ct Sapphire (6.87×4.58mm, oval cut)
Face-up size outline for 0.8ct Sapphire (5.55×5.55mm, round cut)
0.75ct Sapphire Oval (6.87×4.58mm)
0.8ct Sapphire Round (5.55×5.55mm)
Difference: 7% (1.61 mm²)
0.75ct Sapphire (Oval, 6.87×4.58mm) has approx. 7% more face-up area than 0.8ct Sapphire (Round, 5.55×5.55mm).


Popular comparisons: