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6ct Emerald (Emerald, 13.23×9.8mm, Green) vs 3ct Diamond (Pear, 12×8mm, Blue)


Quick summary: When looked from above (face-up position), 6ct Emerald (13.23×9.8mm, emerald cut) appears 72% larger than 3ct Diamond (12×8mm, pear cut). See below how they compare side-by-side on a ring and finger.

6ct Emerald (emerald cut)
vs
3ct Diamond (pear cut)
green
 
blue
13.23×9.8 mm 12×8 mm
actual size
Actual size of 6ct Emerald (emerald cut, 13.23×9.8mm, Green color)   Actual size of 3ct Diamond (pear cut, 12×8mm, Blue color)
 
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Ring: Skin tone:
Ring width: 3.0 mm
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Left finger image
Ring on left finger
Green 6ct Emerald (emerald cut, 13.23×9.8mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 3ct Diamond (pear cut, 12×8mm) 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 6ct Emerald Emerald (13.23×9.8mm, Green) and 3ct Diamond Pear (12×8mm, Blue) 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

All things being equal, Diamond will face-up smaller than Emerald for a given carat weight, because it has higher specific gravity (3.52 vs. 2.7 - this means it's "heavier" compared to Emerald of the same size). Face-up size also depends heavily on 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 Emerald (Emerald) 3 Ct Diamond (Pear)
13.23×9.8 mm vs 12×8 mm
120.58 mm²   70.08 mm²
Face-up size outline for 6ct Emerald (13.23×9.8mm, emerald cut)
Face-up size outline for 3ct Diamond (12×8mm, pear cut)
6ct Emerald Emerald (13.23×9.8mm)
3ct Diamond Pear (12×8mm)
Difference: 72% (50.5 mm²)
6ct Emerald Emerald (13.23×9.8mm) has approx. 72% more face-up area than 3ct Diamond Pear (12×8mm).


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