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8.5ct Chrysoberyl (Cushion, 11.56×11.56mm, Light Yellowish Green) vs 8.5ct Emerald (Cushion, 12.85×12.85mm, Green)


Quick summary: When looked from above (face-up position), 8.5ct Emerald (12.85×12.85mm, cushion cut) appears 24% larger than 8.5ct Chrysoberyl (11.56×11.56mm, cushion cut). See below how they compare side-by-side on a ring and finger.

8.5ct Chrysoberyl (cushion cut)
vs
 8.5ct Emerald (cushion cut)
light yellowish green
 
green
11.56×11.56 mm 12.85×12.85 mm
actual size
Actual size of 8.5ct Chrysoberyl (cushion cut, 11.56×11.56mm, Light Yellowish Green color)   Actual size of 8.5ct Emerald (cushion cut, 12.85×12.85mm, Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Yellowish Green 8.5ct Chrysoberyl (cushion cut, 11.56×11.56mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 8.5ct Emerald (cushion cut, 12.85×12.85mm) 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
 69% vs 77%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 8.5ct Chrysoberyl Cushion (11.56×11.56mm, Light Yellowish Green) and 8.5ct Emerald Cushion (12.85×12.85mm, 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, Chrysoberyl will face-up smaller than Emerald for a given carat weight, because it has higher specific gravity (3.73 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.


8.5 Ct Chrysoberyl (Cushion) 8.5 Ct Emerald (Cushion)
11.56×11.56 mm vs 12.85×12.85 mm
120.27 mm²   148.61 mm²
Face-up size outline for 8.5ct Emerald (12.85×12.85mm, cushion cut)
Face-up size outline for 8.5ct Chrysoberyl (11.56×11.56mm, cushion cut)
8.5ct Chrysoberyl Cushion (11.56×11.56mm)
8.5ct Emerald Cushion (12.85×12.85mm)
Difference: 24% (28.34 mm²)
8.5ct Emerald (Cushion, 12.85×12.85mm) has approx. 24% more face-up area than 8.5ct Chrysoberyl (Cushion, 11.56×11.56mm).


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