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1.54ct Diamond (Oval, 9.65×6.42mm, Bluish Green) vs 3ct Diamond (Oval, 10.27×7.21mm, Dark Purple)


Quick summary: When looked from above (face-up position), 3ct Diamond (10.27×7.21mm, oval cut) appears 20% larger than 1.54ct Diamond (9.65×6.42mm, oval cut). See below how they compare side-by-side on a ring and finger.

1.54ct Diamond (oval cut)
vs
3ct Diamond (oval cut)
bluish green
 
dark purple
9.65×6.42 mm 10.27×7.21 mm
actual size
Actual size of 1.54ct Diamond (oval cut, 9.65×6.42mm, Bluish Green color)   Actual size of 3ct Diamond (oval cut, 10.27×7.21mm, Dark Purple color)
 
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Ring: Skin tone:
Ring width: 3.0 mm
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Left finger image
Ring on left finger
Bluish Green 1.54ct Diamond (oval cut, 9.65×6.42mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Dark Purple 3ct Diamond (oval cut, 10.27×7.21mm) 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
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Ring diameter: 16.9 mm
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Actual sizes of 1.54ct Diamond Oval (9.65×6.42mm, Bluish Green) and 3ct Diamond Oval (10.27×7.21mm, Dark Purple) 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.


1.54 Ct Diamond (Oval) 3 Ct Diamond (Oval)
9.65×6.42 mm vs 10.27×7.21 mm
50.8 mm²   60.72 mm²
Face-up size outline for 3ct Diamond (10.27×7.21mm, oval cut)
Face-up size outline for 1.54ct Diamond (9.65×6.42mm, oval cut)
1.54ct Diamond Oval (9.65×6.42mm)
3ct Diamond Oval (10.27×7.21mm)
Difference: 20% (9.92 mm²)
3ct Diamond Oval (10.27×7.21mm) has approx. 20% more face-up area than 1.54ct Diamond Oval (9.65×6.42mm).


Popular comparisons:

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If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.