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4ct Chrysoberyl (Trillion, 11.88×11.88mm, Light Yellowish Green) vs 4ct Emerald (Trillion, 13.2×13.2mm, Green)


Quick summary: When looked from above (face-up position), 4ct Emerald (13.2×13.2mm, trillion cut) appears 23% larger than 4ct Chrysoberyl (11.88×11.88mm, trillion cut). See below how they compare side-by-side on a ring and finger.

4ct Chrysoberyl (trillion cut)
vs
 4ct Emerald (trillion cut)
light yellowish green
 
green
11.88×11.88 mm 13.2×13.2 mm
actual size
Actual size of 4ct Chrysoberyl (trillion cut, 11.88×11.88mm, Light Yellowish Green color)   Actual size of 4ct Emerald (trillion cut, 13.2×13.2mm, 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 4ct Chrysoberyl (trillion cut, 11.88×11.88mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 4ct Emerald (trillion cut, 13.2×13.2mm) 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
 71% vs 79%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 4ct Chrysoberyl Trillion (11.88×11.88mm, Light Yellowish Green) and 4ct Emerald Trillion (13.2×13.2mm, 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.


4 Ct Chrysoberyl (Trillion) 4 Ct Emerald (Trillion)
11.88×11.88 mm vs 13.2×13.2 mm
87.5 mm²   108.03 mm²
Face-up size outline for 4ct Emerald (13.2×13.2mm, trillion cut)
Face-up size outline for 4ct Chrysoberyl (11.88×11.88mm, trillion cut)
4ct Chrysoberyl Trillion (11.88×11.88mm)
4ct Emerald Trillion (13.2×13.2mm)
Difference: 23% (20.53 mm²)
4ct Emerald (Trillion, 13.2×13.2mm) has approx. 23% more face-up area than 4ct Chrysoberyl (Trillion, 11.88×11.88mm).


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