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0.2ct Diamond (Round, 3.8×3.8mm, White) vs 0.4ct Diamond (Round, 4.79×4.79mm, White)


Quick summary: When looked from above (face-up position), 0.4ct Diamond (4.79×4.79mm, round cut) appears 59% larger than 0.2ct Diamond (3.8×3.8mm, round cut). See below how they compare side-by-side on a ring and finger.

0.2ct Diamond (round cut)
vs
 0.4ct Diamond (round cut)
white
 
white
3.8×3.8 mm 4.79×4.79 mm
actual size
Actual size of 0.2ct Diamond (round cut, 3.8×3.8mm, White color)   Actual size of 0.4ct Diamond (round cut, 4.79×4.79mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 0.2ct Diamond (round cut, 3.8×3.8mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.4ct Diamond (round cut, 4.79×4.79mm) 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
 23% vs 29%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.2ct Diamond Round (3.8×3.8mm, White) and 0.4ct Diamond Round (4.79×4.79mm, 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.


0.2 Ct Diamond (Round) 0.4 Ct Diamond (Round)
3.8×3.8 mm vs 4.79×4.79 mm
11.34 mm²   18.02 mm²
Face-up size outline for 0.4ct Diamond (4.79×4.79mm, round cut)
Face-up size outline for 0.2ct Diamond (3.8×3.8mm, round cut)
0.2ct Diamond Round (3.8×3.8mm)
0.4ct Diamond Round (4.79×4.79mm)
Difference: 59% (6.68 mm²)
0.4ct Diamond (Round, 4.79×4.79mm) has approx. 59% more face-up area than 0.2ct Diamond (Round, 3.8×3.8mm).


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