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22ct Diamond (Round, 18.21×18.21mm, White) vs 9ct Diamond (Round, 13.52×13.52mm, White)


Quick summary: When looked from above (face-up position), 22ct Diamond (18.21×18.21mm, round cut) appears 81% larger than 9ct Diamond (13.52×13.52mm, round cut). See below how they compare side-by-side on a ring and finger.

22ct Diamond (round cut)
vs
 9ct Diamond (round cut)
white
 
white
18.21×18.21 mm 13.52×13.52 mm
actual size
Actual size of 22ct Diamond (round cut, 18.21×18.21mm, White color)   Actual size of 9ct Diamond (round cut, 13.52×13.52mm, White color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 22ct Diamond (round cut, 18.21×18.21mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 9ct Diamond (round cut, 13.52×13.52mm) 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
 108% vs 80%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 22ct Diamond Round (18.21×18.21mm, White) and 9ct Diamond Round (13.52×13.52mm, 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.


22 Ct Diamond (Round) 9 Ct Diamond (Round)
18.21×18.21 mm vs 13.52×13.52 mm
260.44 mm²   143.56 mm²
Face-up size outline for 22ct Diamond (18.21×18.21mm, round cut)
Face-up size outline for 9ct Diamond (13.52×13.52mm, round cut)
22ct Diamond Round (18.21×18.21mm)
9ct Diamond Round (13.52×13.52mm)
Difference: 81% (116.88 mm²)
22ct Diamond (Round, 18.21×18.21mm) has approx. 81% more face-up area than 9ct Diamond (Round, 13.52×13.52mm).


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