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0.48ct Diamond (Round, 5.09×5.09mm, White) vs 0.31ct Diamond (Round, 4.4×4.4mm, White)


Quick summary: When looked from above (face-up position), 0.48ct Diamond (5.09×5.09mm, round cut) appears 34% larger than 0.31ct Diamond (4.4×4.4mm, round cut). See below how they compare side-by-side on a ring and finger.

0.48ct Diamond (round cut)
vs
 0.31ct Diamond (round cut)
white
 
white
5.09×5.09 mm 4.4×4.4 mm
actual size
Actual size of 0.48ct Diamond (round cut, 5.09×5.09mm, White color)   Actual size of 0.31ct Diamond (round cut, 4.4×4.4mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 0.48ct Diamond (round cut, 5.09×5.09mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.31ct Diamond (round cut, 4.4×4.4mm) 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
 31% vs 27%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.48ct Diamond Round (5.09×5.09mm, White) and 0.31ct Diamond Round (4.4×4.4mm, 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.


0.48 Ct Diamond (Round) 0.31 Ct Diamond (Round)
5.09×5.09 mm vs 4.4×4.4 mm
20.35 mm²   15.21 mm²
Face-up size outline for 0.48ct Diamond (5.09×5.09mm, round cut)
Face-up size outline for 0.31ct Diamond (4.4×4.4mm, round cut)
0.48ct Diamond Round (5.09×5.09mm)
0.31ct Diamond Round (4.4×4.4mm)
Difference: 34% (5.14 mm²)
0.48ct Diamond (Round, 5.09×5.09mm) has approx. 34% more face-up area than 0.31ct Diamond (Round, 4.4×4.4mm).


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