×
carat vs. color  length*  width*
  ×

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

1.56ct Diamond (Round, 7.6×7.55mm, White) vs 1.28ct Diamond (Round, 6.6×6.6mm, White)


Quick summary: When looked from above (face-up position), 1.56ct Diamond (7.6×7.55mm, round cut) appears 32% larger than 1.28ct Diamond (6.6×6.6mm, round cut). See below how they compare side-by-side on a ring and finger.

1.56ct Diamond (round cut)
vs
 1.28ct Diamond (round cut)
white
 
white
7.6×7.55 mm 6.6×6.6 mm
actual size
Actual size of 1.56ct Diamond (round cut, 7.6×7.55mm, White color)   Actual size of 1.28ct Diamond (round cut, 6.6×6.6mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 1.56ct Diamond (round cut, 7.6×7.55mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 1.28ct Diamond (round cut, 6.6×6.6mm) 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
 45% vs 40%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.56ct Diamond Round (7.6×7.55mm, White) and 1.28ct Diamond Round (6.6×6.6mm, 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.


1.56 Ct Diamond (Round) 1.28 Ct Diamond (Round)
7.6×7.55 mm vs 6.6×6.6 mm
45.07 mm²   34.21 mm²
Face-up size outline for 1.56ct Diamond (7.6×7.55mm, round cut)
Face-up size outline for 1.28ct Diamond (6.6×6.6mm, round cut)
1.56ct Diamond Round (7.6×7.55mm)
1.28ct Diamond Round (6.6×6.6mm)
Difference: 32% (10.86 mm²)
1.56ct Diamond (Round, 7.6×7.55mm) has approx. 32% more face-up area than 1.28ct Diamond (Round, 6.6×6.6mm).


Popular comparisons: