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0.4ct Diamond (Emerald, 5×3.31mm, White) vs 0.42ct Diamond (Oval, 6.29×3.89mm, White)


Quick summary: When looked from above (face-up position), 0.42ct Diamond (6.29×3.89mm, oval cut) appears 30% larger than 0.4ct Diamond (5×3.31mm, emerald cut). See below how they compare side-by-side on a ring and finger.

0.4ct Diamond (emerald cut)
vs
 0.42ct Diamond (oval cut)
white
 
white
5×3.31 mm 6.29×3.89 mm
actual size
Actual size of 0.4ct Diamond (emerald cut, 5×3.31mm, White color)   Actual size of 0.42ct Diamond (oval cut, 6.29×3.89mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 0.4ct Diamond (emerald cut, 5×3.31mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.42ct Diamond (oval cut, 6.29×3.89mm) 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
 20% vs 24%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.4ct Diamond Emerald (5×3.31mm, White) and 0.42ct Diamond Oval (6.29×3.89mm, 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.


0.4 Ct Diamond (Emerald) 0.42 Ct Diamond (Oval)
5×3.31 mm vs 6.29×3.89 mm
15.39 mm²   20.06 mm²
Face-up size outline for 0.42ct Diamond (6.29×3.89mm, oval cut)
Face-up size outline for 0.4ct Diamond (5×3.31mm, emerald cut)
0.4ct Diamond Emerald (5×3.31mm)
0.42ct Diamond Oval (6.29×3.89mm)
Difference: 30% (4.67 mm²)
0.42ct Diamond (Oval, 6.29×3.89mm) has approx. 30% more face-up area than 0.4ct Diamond (Emerald, 5×3.31mm).


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