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4.5ct Diamond (Round, 10.73×10.73mm, White) vs 6ct Diamond (Emerald, 12.3×8.6mm, White)


Quick summary: When looked from above (face-up position), 6ct Diamond (12.3×8.6mm, emerald cut) appears 9% larger than 4.5ct Diamond (10.73×10.73mm, round cut). See below how they compare side-by-side on a ring and finger.

4.5ct Diamond (round cut)
vs
6ct Diamond (emerald cut)
white
 
white
10.73×10.73 mm 12.3×8.6 mm
actual size
Actual size of 4.5ct Diamond (round cut, 10.73×10.73mm, White color)   Actual size of 6ct Diamond (emerald cut, 12.3×8.6mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 4.5ct Diamond (round cut, 10.73×10.73mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 6ct Diamond (emerald cut, 12.3×8.6mm) 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
64% vs 51%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 4.5ct Diamond Round (10.73×10.73mm, White) and 6ct Diamond Emerald (12.3×8.6mm, 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.


4.5 Ct Diamond (Round) 6 Ct Diamond (Emerald)
10.73×10.73 mm vs 12.3×8.6 mm
90.43 mm²   98.38 mm²
Face-up size outline for 6ct Diamond (12.3×8.6mm, emerald cut)
Face-up size outline for 4.5ct Diamond (10.73×10.73mm, round cut)
4.5ct Diamond Round (10.73×10.73mm)
6ct Diamond Emerald (12.3×8.6mm)
Difference: 9% (7.95 mm²)
6ct Diamond (Emerald, 12.3×8.6mm) has approx. 9% more face-up area than 4.5ct Diamond (Round, 10.73×10.73mm).


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