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5ct Diamond (Emerald, 12×8mm, White) vs 3.5ct Emerald (Emerald, 11×7mm, Light Bluish Green)


Quick summary: When looked from above (face-up position), 5ct Diamond (12×8mm, emerald cut) appears 25% larger than 3.5ct Emerald (11×7mm, emerald cut). See below how they compare side-by-side on a ring and finger.

5ct Diamond (emerald cut)
vs
 3.5ct Emerald (emerald cut)
white
 
light bluish green
12×8 mm 11×7 mm
actual size
Actual size of 5ct Diamond (emerald cut, 12×8mm, White color)   Actual size of 3.5ct Emerald (emerald cut, 11×7mm, Light Bluish Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 5ct Diamond (emerald cut, 12×8mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Bluish Green 3.5ct Emerald (emerald cut, 11×7mm) 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
 48% vs 42%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 5ct Diamond Emerald (12×8mm, White) and 3.5ct Emerald Emerald (11×7mm, Light Bluish Green) 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. 2.72 - 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.


5 Ct Diamond (Emerald) 3.5 Ct Emerald (Emerald)
12×8 mm vs 11×7 mm
89.28 mm²   71.61 mm²
Face-up size outline for 5ct Diamond (12×8mm, emerald cut)
Face-up size outline for 3.5ct Emerald (11×7mm, emerald cut)
5ct Diamond Emerald (12×8mm)
3.5ct Emerald Emerald (11×7mm)
Difference: 25% (17.67 mm²)
5ct Diamond (Emerald, 12×8mm) has approx. 25% more face-up area than 3.5ct Emerald (Emerald, 11×7mm).


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