×
carat vs. color  length*  width*
  ×

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

1ct Topaz (Princess, 5.6×5.6mm, Blue) vs 0.8ct Topaz (Princess, 5.2×5.2mm, Blue)


Quick summary: When looked from above (face-up position), 1ct Topaz (5.6×5.6mm, princess cut) appears 16% larger than 0.8ct Topaz (5.2×5.2mm, princess cut). See below how they compare side-by-side on a ring and finger.

1ct Topaz (princess cut)
vs
0.8ct Topaz (princess cut)
blue
 
blue
5.6×5.6 mm 5.2×5.2 mm
actual size
Actual size of 1ct Topaz (princess cut, 5.6×5.6mm, Blue color)   Actual size of 0.8ct Topaz (princess cut, 5.2×5.2mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1ct Topaz (princess cut, 5.6×5.6mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.8ct Topaz (princess cut, 5.2×5.2mm) 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
34% vs 31%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1ct Topaz Princess (5.6×5.6mm, Blue) and 0.8ct Topaz Princess (5.2×5.2mm, 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.


1 Ct Topaz (Princess) 0.8 Ct Topaz (Princess)
5.6×5.6 mm vs 5.2×5.2 mm
31.36 mm²   27.04 mm²
Face-up size outline for 1ct Topaz (5.6×5.6mm, princess cut)
Face-up size outline for 0.8ct Topaz (5.2×5.2mm, princess cut)
1ct Topaz Princess (5.6×5.6mm)
0.8ct Topaz Princess (5.2×5.2mm)
Difference: 16% (4.32 mm²)
1ct Topaz (Princess, 5.6×5.6mm) has approx. 16% more face-up area than 0.8ct Topaz (Princess, 5.2×5.2mm).


Popular comparisons: