×
carat vs. color  length*  width*
  ×

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

0.25ct Diamond (Oval, 5.12×3.41mm, White) vs 1.5ct Diamond (Princess, 6.31×6.31mm, White)


Quick summary: When looked from above (face-up position), 1.5ct Diamond (6.31×6.31mm, princess cut) appears 2.8 times larger than 0.25ct Diamond (5.12×3.41mm, oval cut). See below how they compare side-by-side on a ring and finger.

0.25ct Diamond (oval cut)
vs
1.5ct Diamond (princess cut)
white
 
white
5.12×3.41 mm 6.31×6.31 mm
actual size
Actual size of 0.25ct Diamond (oval cut, 5.12×3.41mm, White color)   Actual size of 1.5ct Diamond (princess cut, 6.31×6.31mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 0.25ct Diamond (oval cut, 5.12×3.41mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 1.5ct Diamond (princess cut, 6.31×6.31mm) 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
21% vs 38%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.25ct Diamond Oval (5.12×3.41mm, White) and 1.5ct Diamond Princess (6.31×6.31mm, White) 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.


0.25 Ct Diamond (Oval) 1.5 Ct Diamond (Princess)
5.12×3.41 mm vs 6.31×6.31 mm
14.32 mm²   39.82 mm²
Face-up size outline for 1.5ct Diamond (6.31×6.31mm, princess cut)
Face-up size outline for 0.25ct Diamond (5.12×3.41mm, oval cut)
0.25ct Diamond Oval (5.12×3.41mm)
1.5ct Diamond Princess (6.31×6.31mm)
Difference: 178% (25.5 mm²)
1.5ct Diamond (Princess, 6.31×6.31mm) has approx. 178% more face-up area than 0.25ct Diamond (Oval, 5.12×3.41mm). In other words, it's 2.78x larger.


Popular comparisons: