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9ct Diamond (Pear, 18.82×11.34mm, White) vs 10ct Diamond (Emerald, 12.5×12.5mm, White)


Quick summary: When looked from above (face-up position), 9ct Diamond (18.82×11.34mm, pear cut) appears 7% larger than 10ct Diamond (12.5×12.5mm, emerald cut). See below how they compare side-by-side on a ring and finger.

9ct Diamond (pear cut)
vs
 10ct Diamond (emerald cut)
white
 
white
18.82×11.34 mm 12.5×12.5 mm
actual size
Actual size of 9ct Diamond (pear cut, 18.82×11.34mm, White color)   Actual size of 10ct Diamond (emerald cut, 12.5×12.5mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 9ct Diamond (pear cut, 18.82×11.34mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 10ct Diamond (emerald cut, 12.5×12.5mm) 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
 68% vs 74%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 9ct Diamond Pear (18.82×11.34mm, White) and 10ct Diamond Emerald (12.5×12.5mm, 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.


9 Ct Diamond (Pear) 10 Ct Diamond (Emerald)
18.82×11.34 mm vs 12.5×12.5 mm
155.8 mm²   145.31 mm²
Face-up size outline for 9ct Diamond (18.82×11.34mm, pear cut)
Face-up size outline for 10ct Diamond (12.5×12.5mm, emerald cut)
9ct Diamond Pear (18.82×11.34mm)
10ct Diamond Emerald (12.5×12.5mm)
Difference: 7% (10.49 mm²)
9ct Diamond (Pear, 18.82×11.34mm) has approx. 7% more face-up area than 10ct Diamond (Emerald, 12.5×12.5mm).


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