×
carat vs. color  length*  width*
  ×

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

13ct Diamond (Round, 15.28×15.28mm, White) vs 22ct Diamond (Round, 18.21×18.21mm, White)


Quick summary: When looked from above (face-up position), 22ct Diamond (18.21×18.21mm, round cut) appears 42% larger than 13ct Diamond (15.28×15.28mm, round cut). See below how they compare side-by-side on a ring and finger.

13ct Diamond (round cut)
vs
22ct Diamond (round cut)
white
 
white
15.28×15.28 mm 18.21×18.21 mm
actual size
Actual size of 13ct Diamond (round cut, 15.28×15.28mm, White color)   Actual size of 22ct Diamond (round cut, 18.21×18.21mm, White color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 13ct Diamond (round cut, 15.28×15.28mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 22ct Diamond (round cut, 18.21×18.21mm) 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
91% vs 108%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 13ct Diamond Round (15.28×15.28mm, White) and 22ct Diamond Round (18.21×18.21mm, 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.


13 Ct Diamond (Round) 22 Ct Diamond (Round)
15.28×15.28 mm vs 18.21×18.21 mm
183.37 mm²   260.44 mm²
Face-up size outline for 22ct Diamond (18.21×18.21mm, round cut)
Face-up size outline for 13ct Diamond (15.28×15.28mm, round cut)
13ct Diamond Round (15.28×15.28mm)
22ct Diamond Round (18.21×18.21mm)
Difference: 42% (77.07 mm²)
22ct Diamond (Round, 18.21×18.21mm) has approx. 42% more face-up area than 13ct Diamond (Round, 15.28×15.28mm).


Popular comparisons: