×
carat vs. color  length*  width*
  ×

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

1.81ct Diamond (Round, 7.92×7.92mm, White) vs 2.5ct Diamond (Cushion, 7.91×7.91mm, White)


Quick summary: When looked from above (face-up position), 2.5ct Diamond (7.91×7.91mm, cushion cut) appears 14% larger than 1.81ct Diamond (7.92×7.92mm, round cut). See below how they compare side-by-side on a ring and finger.

1.81ct Diamond (round cut)
vs
 2.5ct Diamond (cushion cut)
white
 
white
7.92×7.92 mm 7.91×7.91 mm
actual size
Actual size of 1.81ct Diamond (round cut, 7.92×7.92mm, White color)   Actual size of 2.5ct Diamond (cushion cut, 7.91×7.91mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 1.81ct Diamond (round cut, 7.92×7.92mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 2.5ct Diamond (cushion cut, 7.91×7.91mm) 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
 47% vs 47%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.81ct Diamond Round (7.92×7.92mm, White) and 2.5ct Diamond Cushion (7.91×7.91mm, 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.


1.81 Ct Diamond (Round) 2.5 Ct Diamond (Cushion)
7.92×7.92 mm vs 7.91×7.91 mm
49.27 mm²   56.31 mm²
Face-up size outline for 2.5ct Diamond (7.91×7.91mm, cushion cut)
Face-up size outline for 1.81ct Diamond (7.92×7.92mm, round cut)
1.81ct Diamond Round (7.92×7.92mm)
2.5ct Diamond Cushion (7.91×7.91mm)
Difference: 14% (7.04 mm²)
2.5ct Diamond (Cushion, 7.91×7.91mm) has approx. 14% more face-up area than 1.81ct Diamond (Round, 7.92×7.92mm).


Popular comparisons: