×
carat vs. color  length*  width*
  ×

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

3ct Diamond (Round, 9×9mm, White) vs 4.32ct Diamond (Round, 10.45×10.49mm, White)


Quick summary: When looked from above (face-up position), 4.32ct Diamond (10.45×10.49mm, round cut) appears 35% larger than 3ct Diamond (9×9mm, round cut). See below how they compare side-by-side on a ring and finger.

3ct Diamond (round cut)
vs
 4.32ct Diamond (round cut)
white
 
white
9×9 mm 10.45×10.49 mm
actual size
Actual size of 3ct Diamond (round cut, 9×9mm, White color)   Actual size of 4.32ct Diamond (round cut, 10.45×10.49mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 3ct Diamond (round cut, 9×9mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 4.32ct Diamond (round cut, 10.45×10.49mm) 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
 54% vs 63%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 3ct Diamond Round (9×9mm, White) and 4.32ct Diamond Round (10.45×10.49mm, 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.


3 Ct Diamond (Round) 4.32 Ct Diamond (Round)
9×9 mm vs 10.45×10.49 mm
63.62 mm²   86.1 mm²
Face-up size outline for 4.32ct Diamond (10.45×10.49mm, round cut)
Face-up size outline for 3ct Diamond (9×9mm, round cut)
3ct Diamond Round (9×9mm)
4.32ct Diamond Round (10.45×10.49mm)
Difference: 35% (22.48 mm²)
4.32ct Diamond (Round, 10.45×10.49mm) has approx. 35% more face-up area than 3ct Diamond (Round, 9×9mm).


Popular comparisons: