×
carat vs. color  length*  width*
  ×

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

24ct Diamond (Radiant, 16.67×16.67mm, White) vs 24ct Emerald (Radiant, 18.07×18.07mm, Green)


Quick summary: When looked from above (face-up position), 24ct Emerald (18.07×18.07mm, radiant cut) appears 18% larger than 24ct Diamond (16.67×16.67mm, radiant cut). See below how they compare side-by-side on a ring and finger.

24ct Diamond (radiant cut)
vs
24ct Emerald (radiant cut)
white
 
green
16.67×16.67 mm 18.07×18.07 mm
actual size
Actual size of 24ct Diamond (radiant cut, 16.67×16.67mm, White color)   Actual size of 24ct Emerald (radiant cut, 18.07×18.07mm, Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 24ct Diamond (radiant cut, 16.67×16.67mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 24ct Emerald (radiant cut, 18.07×18.07mm) 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
99% vs 107%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 24ct Diamond Radiant (16.67×16.67mm, White) and 24ct Emerald Radiant (18.07×18.07mm, Green) 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

All things being equal, Diamond will face-up smaller than Emerald for a given carat weight, because it has higher specific gravity (3.52 vs. 2.72 - this means it's "heavier" compared to Emerald of the same size). Face-up size also depends heavily on 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.


24 Ct Diamond (Radiant) 24 Ct Emerald (Radiant)
16.67×16.67 mm vs 18.07×18.07 mm
263.99 mm²   310.2 mm²
Face-up size outline for 24ct Emerald (18.07×18.07mm, radiant cut)
Face-up size outline for 24ct Diamond (16.67×16.67mm, radiant cut)
24ct Diamond Radiant (16.67×16.67mm)
24ct Emerald Radiant (18.07×18.07mm)
Difference: 18% (46.21 mm²)
24ct Emerald (Radiant, 18.07×18.07mm) has approx. 18% more face-up area than 24ct Diamond (Radiant, 16.67×16.67mm).


Popular comparisons: