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1.56ct Diamond (Cushion, 6.27×6.27mm, White) vs 1.66ct Diamond (Cushion, 6.49×6.47mm, White)


Quick summary: When looked from above (face-up position), 1.66ct Diamond (6.49×6.47mm, cushion cut) appears 7% larger than 1.56ct Diamond (6.27×6.27mm, cushion cut). See below how they compare side-by-side on a ring and finger. 

1.56ct Diamond (cushion cut)
vs
1.66ct Diamond (cushion cut)
white
 
white
6.27×6.27 mm 6.49×6.47 mm
actual size
Actual size of 1.56ct Diamond (cushion cut, 6.27×6.27mm, White color)   Actual size of 1.66ct Diamond (cushion cut, 6.49×6.47mm, 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 (cushion cut, 6.27×6.27mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 1.66ct Diamond (cushion cut, 6.49×6.47mm) 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
38% vs 39%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1.56ct Diamond Cushion (6.27×6.27mm, White) and 1.66ct Diamond Cushion (6.49×6.47mm, 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 (Cushion) 1.66 Ct Diamond (Cushion)
6.27×6.27 mm vs 6.49×6.47 mm
35.38 mm²   37.79 mm²
Face-up size outline for 1.66ct Diamond (6.49×6.47mm, cushion cut)
Face-up size outline for 1.56ct Diamond (6.27×6.27mm, cushion cut)
1.56ct Diamond Cushion (6.27×6.27mm)
1.66ct Diamond Cushion (6.49×6.47mm)
Difference: 7% (2.41 mm²)
1.66ct Diamond (Cushion, 6.49×6.47mm) has approx. 7% more face-up area than 1.56ct Diamond (Cushion, 6.27×6.27mm).


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