×
carat vs. color  length*  width*
  ×

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

16ct Diamond (Emerald, 16.83×12.47mm, White) vs 20ct Diamond (Emerald, 18.13×13.43mm, White)


Quick summary: When looked from above (face-up position), 20ct Diamond (18.13×13.43mm, emerald cut) appears 16% larger than 16ct Diamond (16.83×12.47mm, emerald cut). See below how they compare side-by-side on a ring and finger.

16ct Diamond (emerald cut)
vs
 20ct Diamond (emerald cut)
white
 
white
16.83×12.47 mm 18.13×13.43 mm
actual size
Actual size of 16ct Diamond (emerald cut, 16.83×12.47mm, White color)   Actual size of 20ct Diamond (emerald cut, 18.13×13.43mm, White color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 16ct Diamond (emerald cut, 16.83×12.47mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 20ct Diamond (emerald cut, 18.13×13.43mm) 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
 74% vs 80%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 16ct Diamond Emerald (16.83×12.47mm, White) and 20ct Diamond Emerald (18.13×13.43mm, 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.


16 Ct Diamond (Emerald) 20 Ct Diamond (Emerald)
16.83×12.47 mm vs 18.13×13.43 mm
195.18 mm²   226.44 mm²
Face-up size outline for 20ct Diamond (18.13×13.43mm, emerald cut)
Face-up size outline for 16ct Diamond (16.83×12.47mm, emerald cut)
16ct Diamond Emerald (16.83×12.47mm)
20ct Diamond Emerald (18.13×13.43mm)
Difference: 16% (31.26 mm²)
20ct Diamond (Emerald, 18.13×13.43mm) has approx. 16% more face-up area than 16ct Diamond (Emerald, 16.83×12.47mm).


Popular comparisons: