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40ct Emerald (Emerald, 24.89×18.44mm, Green) vs 5ct Ruby (Emerald, 10.92×8.09mm, Red)


Quick summary: When looked from above (face-up position), 40ct Emerald (24.89×18.44mm, emerald cut) appears 5.2 times larger than 5ct Ruby (10.92×8.09mm, emerald cut). See below how they compare side-by-side on a ring and finger.

40ct Emerald (emerald cut)
vs
 5ct Ruby (emerald cut)
green
 
red
24.89×18.44 mm 10.92×8.09 mm
actual size
Actual size of 40ct Emerald (emerald cut, 24.89×18.44mm, Green color)   Actual size of 5ct Ruby (emerald cut, 10.92×8.09mm, Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Green 40ct Emerald (emerald cut, 24.89×18.44mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 5ct Ruby (emerald cut, 10.92×8.09mm) 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
 110% vs 48%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 40ct Emerald Emerald (24.89×18.44mm, Green) and 5ct Ruby Emerald (10.92×8.09mm, Red) 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, Ruby will face-up smaller than Emerald for a given carat weight, because it has higher specific gravity (4 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.


40 Ct Emerald (Emerald) 5 Ct Ruby (Emerald)
24.89×18.44 mm vs 10.92×8.09 mm
426.84 mm²   82.16 mm²
Face-up size outline for 40ct Emerald (24.89×18.44mm, emerald cut)
Face-up size outline for 5ct Ruby (10.92×8.09mm, emerald cut)
40ct Emerald Emerald (24.89×18.44mm)
5ct Ruby Emerald (10.92×8.09mm)
Difference: 420% (344.68 mm²)
40ct Emerald (Emerald, 24.89×18.44mm) has approx. 420% more face-up area than 5ct Ruby (Emerald, 10.92×8.09mm). In other words, it's 5.2x larger.


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