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1ct Diamond (Marquise, 10×6mm, White) vs 0.49ct Diamond (Round, 5.12×5.12mm, White)


Quick summary: When looked from above (face-up position), 1ct Diamond (10×6mm, marquise cut) appears 2.1 times larger than 0.49ct Diamond (5.12×5.12mm, round cut). See below how they compare side-by-side on a ring and finger.

1ct Diamond (marquise cut)
vs
 0.49ct Diamond (round cut)
white
 
white
10×6 mm 5.12×5.12 mm
actual size
Actual size of 1ct Diamond (marquise cut, 10×6mm, White color)   Actual size of 0.49ct Diamond (round cut, 5.12×5.12mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 1ct Diamond (marquise cut, 10×6mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.49ct Diamond (round cut, 5.12×5.12mm) 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
 36% vs 31%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1ct Diamond Marquise (10×6mm, White) and 0.49ct Diamond Round (5.12×5.12mm, 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 Ct Diamond (Marquise) 0.49 Ct Diamond (Round)
10×6 mm vs 5.12×5.12 mm
42.6 mm²   20.59 mm²
Face-up size outline for 1ct Diamond (10×6mm, marquise cut)
Face-up size outline for 0.49ct Diamond (5.12×5.12mm, round cut)
1ct Diamond Marquise (10×6mm)
0.49ct Diamond Round (5.12×5.12mm)
Difference: 107% (22.01 mm²)
1ct Diamond (Marquise, 10×6mm) has approx. 107% more face-up area than 0.49ct Diamond (Round, 5.12×5.12mm). In other words, it's 2.07x larger.


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