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3ct Diamond (Oval, 11×7.5mm, White) vs 2.5ct Diamond (Round, 10×6.5mm, White)


Quick summary: When looked from above (face-up position), 3ct Diamond (11×7.5mm, oval cut) appears 33% larger than 2.5ct Diamond (10×6.5mm, round cut). See below how they compare side-by-side on a ring and finger.

3ct Diamond (oval cut)
vs
 2.5ct Diamond (round cut)
white
 
white
11×7.5 mm 10×6.5 mm
actual size
Actual size of 3ct Diamond (oval cut, 11×7.5mm, White color)   Actual size of 2.5ct Diamond (round cut, 10×6.5mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 3ct Diamond (oval cut, 11×7.5mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 2.5ct Diamond (round cut, 10×6.5mm) 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
 45% vs 39%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 3ct Diamond Oval (11×7.5mm, White) and 2.5ct Diamond Round (10×6.5mm, 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.


3 Ct Diamond (Oval) 2.5 Ct Diamond (Round)
11×7.5 mm vs 10×6.5 mm
67.65 mm²   51.05 mm²
Face-up size outline for 3ct Diamond (11×7.5mm, oval cut)
Face-up size outline for 2.5ct Diamond (10×6.5mm, round cut)
3ct Diamond Oval (11×7.5mm)
2.5ct Diamond Round (10×6.5mm)
Difference: 33% (16.6 mm²)
3ct Diamond (Oval, 11×7.5mm) has approx. 33% more face-up area than 2.5ct Diamond (Round, 10×6.5mm).


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