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1.9ct Diamond (Oval, 10.05×6.7mm, White) vs 3.7ct Diamond (Oval, 12.56×8.37mm, White)


Quick summary: When looked from above (face-up position), 3.7ct Diamond (12.56×8.37mm, oval cut) appears 56% larger than 1.9ct Diamond (10.05×6.7mm, oval cut). See below how they compare side-by-side on a ring and finger.

1.9ct Diamond (oval cut)
vs
 3.7ct Diamond (oval cut)
white
 
white
10.05×6.7 mm 12.56×8.37 mm
actual size
Actual size of 1.9ct Diamond (oval cut, 10.05×6.7mm, White color)   Actual size of 3.7ct Diamond (oval cut, 12.56×8.37mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 1.9ct Diamond (oval cut, 10.05×6.7mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 3.7ct Diamond (oval cut, 12.56×8.37mm) 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
 40% vs 50%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1.9ct Diamond Oval (10.05×6.7mm, White) and 3.7ct Diamond Oval (12.56×8.37mm, 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.


1.9 Ct Diamond (Oval) 3.7 Ct Diamond (Oval)
10.05×6.7 mm vs 12.56×8.37 mm
55.21 mm²   86.2 mm²
Face-up size outline for 3.7ct Diamond (12.56×8.37mm, oval cut)
Face-up size outline for 1.9ct Diamond (10.05×6.7mm, oval cut)
1.9ct Diamond Oval (10.05×6.7mm)
3.7ct Diamond Oval (12.56×8.37mm)
Difference: 56% (30.99 mm²)
3.7ct Diamond (Oval, 12.56×8.37mm) has approx. 56% more face-up area than 1.9ct Diamond (Oval, 10.05×6.7mm).


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