×
carat vs. color  length*  width*
  ×

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

4ct Topaz (Cushion, 10×10mm, Blue) vs 4ct Topaz (Round, 11×11mm, Blue)


Quick summary: When looked from above (face-up position), 4ct Topaz (11×11mm, round cut) appears 6% larger than 4ct Topaz (10×10mm, cushion cut). See below how they compare side-by-side on a ring and finger.

4ct Topaz (cushion cut)
vs
4ct Topaz (round cut)
blue
 
blue
10×10 mm 11×11 mm
actual size
Actual size of 4ct Topaz (cushion cut, 10×10mm, Blue color)   Actual size of 4ct Topaz (round cut, 11×11mm, Blue color)
 
Actual size is set for screen Change
Settings
Ring: Skin tone:
Ring width: 3.0 mm
Saved...
Left finger image
Ring on left finger
Blue 4ct Topaz (cushion cut, 10×10mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 4ct Topaz (round cut, 11×11mm) 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
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 4ct Topaz Cushion (10×10mm, Blue) and 4ct Topaz Round (11×11mm, 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.


4 Ct Topaz (Cushion) 4 Ct Topaz (Round)
10×10 mm vs 11×11 mm
90 mm²   95.03 mm²
Face-up size outline for 4ct Topaz (11×11mm, round cut)
Face-up size outline for 4ct Topaz (10×10mm, cushion cut)
4ct Topaz Cushion (10×10mm)
4ct Topaz Round (11×11mm)
Difference: 6% (5.03 mm²)
4ct Topaz Round (11×11mm) has approx. 6% more face-up area than 4ct Topaz Cushion (10×10mm).


Popular comparisons:

Enter your screen size (diagonal)

My screen size is  inches



Actual size is currently adjusted to screen.

If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.