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0.3ct Diamond (Round, 4.35×4.35mm, White) vs 0.15ct Diamond (Round, 3.45×3.45mm, White)


Quick summary: When looked from above (face-up position), 0.3ct Diamond (4.35×4.35mm, round cut) appears 59% larger than 0.15ct Diamond (3.45×3.45mm, round cut). See below how they compare side-by-side on a ring and finger.

0.3ct Diamond (round cut)
vs
 0.15ct Diamond (round cut)
white
 
white
4.35×4.35 mm 3.45×3.45 mm
actual size
Actual size of 0.3ct Diamond (round cut, 4.35×4.35mm, White color)   Actual size of 0.15ct Diamond (round cut, 3.45×3.45mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 0.3ct Diamond (round cut, 4.35×4.35mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.15ct Diamond (round cut, 3.45×3.45mm) 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 21%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.3ct Diamond Round (4.35×4.35mm, White) and 0.15ct Diamond Round (3.45×3.45mm, 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.


0.3 Ct Diamond (Round) 0.15 Ct Diamond (Round)
4.35×4.35 mm vs 3.45×3.45 mm
14.86 mm²   9.35 mm²
Face-up size outline for 0.3ct Diamond (4.35×4.35mm, round cut)
Face-up size outline for 0.15ct Diamond (3.45×3.45mm, round cut)
0.3ct Diamond Round (4.35×4.35mm)
0.15ct Diamond Round (3.45×3.45mm)
Difference: 59% (5.51 mm²)
0.3ct Diamond (Round, 4.35×4.35mm) has approx. 59% more face-up area than 0.15ct Diamond (Round, 3.45×3.45mm).


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