×
carat vs. color  length*  width*
  ×

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

0.26ct Diamond (Round, 4.15×4.15mm, White) vs 0.21ct Diamond (Round, 3.86×3.86mm, White)


Quick summary: When looked from above (face-up position), 0.26ct Diamond (4.15×4.15mm, round cut) appears 16% larger than 0.21ct Diamond (3.86×3.86mm, round cut). See below how they compare side-by-side on a ring and finger.

0.26ct Diamond (round cut)
vs
0.21ct Diamond (round cut)
white
 
white
4.15×4.15 mm 3.86×3.86 mm
actual size
Actual size of 0.26ct Diamond (round cut, 4.15×4.15mm, White color)   Actual size of 0.21ct Diamond (round cut, 3.86×3.86mm, White 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
White 0.26ct Diamond (round cut, 4.15×4.15mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.21ct Diamond (round cut, 3.86×3.86mm) 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 0.26ct Diamond Round (4.15×4.15mm, White) and 0.21ct Diamond Round (3.86×3.86mm, 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.


0.26 Ct Diamond (Round) 0.21 Ct Diamond (Round)
4.15×4.15 mm vs 3.86×3.86 mm
13.53 mm²   11.7 mm²
Face-up size outline for 0.26ct Diamond (4.15×4.15mm, round cut)
Face-up size outline for 0.21ct Diamond (3.86×3.86mm, round cut)
0.26ct Diamond Round (4.15×4.15mm)
0.21ct Diamond Round (3.86×3.86mm)
Difference: 16% (1.83 mm²)
0.26ct Diamond Round (4.15×4.15mm) has approx. 16% more face-up area than 0.21ct Diamond Round (3.86×3.86mm).


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.