×
carat vs. color  length*  width*
  ×

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

2.3ct Diamond (Round, 8.58×8.58mm, White) vs 2.8ct Diamond (Round, 9.16×9.16mm, White)


Quick summary: When looked from above (face-up position), 2.8ct Diamond (9.16×9.16mm, round cut) appears 14% larger than 2.3ct Diamond (8.58×8.58mm, round cut). See below how they compare side-by-side on a ring and finger.

2.3ct Diamond (round cut)
vs
 2.8ct Diamond (round cut)
white
 
white
8.58×8.58 mm 9.16×9.16 mm
actual size
Actual size of 2.3ct Diamond (round cut, 8.58×8.58mm, White color)   Actual size of 2.8ct Diamond (round cut, 9.16×9.16mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 2.3ct Diamond (round cut, 8.58×8.58mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 2.8ct Diamond (round cut, 9.16×9.16mm) 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
 51% vs 55%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 2.3ct Diamond Round (8.58×8.58mm, White) and 2.8ct Diamond Round (9.16×9.16mm, 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.


2.3 Ct Diamond (Round) 2.8 Ct Diamond (Round)
8.58×8.58 mm vs 9.16×9.16 mm
57.82 mm²   65.9 mm²
Face-up size outline for 2.8ct Diamond (9.16×9.16mm, round cut)
Face-up size outline for 2.3ct Diamond (8.58×8.58mm, round cut)
2.3ct Diamond Round (8.58×8.58mm)
2.8ct Diamond Round (9.16×9.16mm)
Difference: 14% (8.08 mm²)
2.8ct Diamond (Round, 9.16×9.16mm) has approx. 14% more face-up area than 2.3ct Diamond (Round, 8.58×8.58mm).


Popular comparisons: