×
carat vs. color  length*  width*
  ×

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

0.3ct Sapphire (Round, 4×4mm, Blue) vs 0.6ct Sapphire (Round, 5.04×5.04mm, Blue)


Quick summary: When looked from above (face-up position), 0.6ct Sapphire (5.04×5.04mm, round cut) appears 59% larger than 0.3ct Sapphire (4×4mm, round cut). See below how they compare side-by-side on a ring and finger.

0.3ct Sapphire (round cut)
vs
 0.6ct Sapphire (round cut)
blue
 
blue
4×4 mm 5.04×5.04 mm
actual size
Actual size of 0.3ct Sapphire (round cut, 4×4mm, Blue color)   Actual size of 0.6ct Sapphire (round cut, 5.04×5.04mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 0.3ct Sapphire (round cut, 4×4mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.6ct Sapphire (round cut, 5.04×5.04mm) 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
 24% vs 30%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.3ct Sapphire Round (4×4mm, Blue) and 0.6ct Sapphire Round (5.04×5.04mm, 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.


0.3 Ct Sapphire (Round) 0.6 Ct Sapphire (Round)
4×4 mm vs 5.04×5.04 mm
12.57 mm²   19.95 mm²
Face-up size outline for 0.6ct Sapphire (5.04×5.04mm, round cut)
Face-up size outline for 0.3ct Sapphire (4×4mm, round cut)
0.3ct Sapphire Round (4×4mm)
0.6ct Sapphire Round (5.04×5.04mm)
Difference: 59% (7.38 mm²)
0.6ct Sapphire (Round, 5.04×5.04mm) has approx. 59% more face-up area than 0.3ct Sapphire (Round, 4×4mm).


Popular comparisons: