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6ct Diamond (Princess, 10×10mm, White) vs 4.5ct Diamond (Round, 10.5×10.5mm, White)


Quick summary: When looked from above (face-up position), 6ct Diamond (10×10mm, princess cut) appears 15% larger than 4.5ct Diamond (10.5×10.5mm, round cut). See below how they compare side-by-side on a ring and finger.

6ct Diamond (princess cut)
vs
 4.5ct Diamond (round cut)
white
 
white
10×10 mm 10.5×10.5 mm
actual size
Actual size of 6ct Diamond (princess cut, 10×10mm, White color)   Actual size of 4.5ct Diamond (round cut, 10.5×10.5mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 6ct Diamond (princess cut, 10×10mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 4.5ct Diamond (round cut, 10.5×10.5mm) 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
 60% vs 63%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 6ct Diamond Princess (10×10mm, White) and 4.5ct Diamond Round (10.5×10.5mm, 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.


6 Ct Diamond (Princess) 4.5 Ct Diamond (Round)
10×10 mm vs 10.5×10.5 mm
100 mm²   86.59 mm²
Face-up size outline for 6ct Diamond (10×10mm, princess cut)
Face-up size outline for 4.5ct Diamond (10.5×10.5mm, round cut)
6ct Diamond Princess (10×10mm)
4.5ct Diamond Round (10.5×10.5mm)
Difference: 15% (13.41 mm²)
6ct Diamond (Princess, 10×10mm) has approx. 15% more face-up area than 4.5ct Diamond (Round, 10.5×10.5mm).


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