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0.25ct Emerald (Round, 4.28×4.28mm, Green) vs 0.4ct Emerald (Round, 4.9×4.9mm, Green)


Quick summary: When looked from above (face-up position), 0.4ct Emerald (4.9×4.9mm, round cut) appears 31% larger than 0.25ct Emerald (4.28×4.28mm, round cut). See below how they compare side-by-side on a ring and finger.

0.25ct Emerald (round cut)
vs
 0.4ct Emerald (round cut)
green
 
green
4.28×4.28 mm 4.9×4.9 mm
actual size
Actual size of 0.25ct Emerald (round cut, 4.28×4.28mm, Green color)   Actual size of 0.4ct Emerald (round cut, 4.9×4.9mm, Green color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Green 0.25ct Emerald (round cut, 4.28×4.28mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 0.4ct Emerald (round cut, 4.9×4.9mm) 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
 26% vs 29%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.25ct Emerald Round (4.28×4.28mm, Green) and 0.4ct Emerald Round (4.9×4.9mm, 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

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.


0.25 Ct Emerald (Round) 0.4 Ct Emerald (Round)
4.28×4.28 mm vs 4.9×4.9 mm
14.39 mm²   18.86 mm²
Face-up size outline for 0.4ct Emerald (4.9×4.9mm, round cut)
Face-up size outline for 0.25ct Emerald (4.28×4.28mm, round cut)
0.25ct Emerald Round (4.28×4.28mm)
0.4ct Emerald Round (4.9×4.9mm)
Difference: 31% (4.47 mm²)
0.4ct Emerald (Round, 4.9×4.9mm) has approx. 31% more face-up area than 0.25ct Emerald (Round, 4.28×4.28mm).


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