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19ct Diamond (Emerald, 17.83×13.21mm, White) vs 12ct Morganite (Cushion, 14.59×14.59mm, Light Red)


Quick summary: When looked from above (face-up position), 19ct Diamond (17.83×13.21mm, emerald cut) appears 14% larger than 12ct Morganite (14.59×14.59mm, cushion cut). See below how they compare side-by-side on a ring and finger.

19ct Diamond (emerald cut)
vs
 12ct Morganite (cushion cut)
white
 
light red
17.83×13.21 mm 14.59×14.59 mm
actual size
Actual size of 19ct Diamond (emerald cut, 17.83×13.21mm, White color)   Actual size of 12ct Morganite (cushion cut, 14.59×14.59mm, Light Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 19ct Diamond (emerald cut, 17.83×13.21mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Red 12ct Morganite (cushion cut, 14.59×14.59mm) 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
 79% vs 87%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 19ct Diamond Emerald (17.83×13.21mm, White) and 12ct Morganite Cushion (14.59×14.59mm, Light 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, Diamond will face-up smaller than Morganite for a given carat weight, because it has higher specific gravity (3.52 vs. 2.8 - this means it's "heavier" compared to Morganite 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.


19 Ct Diamond (Emerald) 12 Ct Morganite (Cushion)
17.83×13.21 mm vs 14.59×14.59 mm
219.05 mm²   191.58 mm²
Face-up size outline for 19ct Diamond (17.83×13.21mm, emerald cut)
Face-up size outline for 12ct Morganite (14.59×14.59mm, cushion cut)
19ct Diamond Emerald (17.83×13.21mm)
12ct Morganite Cushion (14.59×14.59mm)
Difference: 14% (27.47 mm²)
19ct Diamond (Emerald, 17.83×13.21mm) has approx. 14% more face-up area than 12ct Morganite (Cushion, 14.59×14.59mm).


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