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4ct Fluorite (Trillion, 12.53×12.53mm, Bluish Green) vs 4ct Aquamarine (Trillion, 13.2×13.2mm, Light Blue)


Quick summary: When looked from above (face-up position), 4ct Aquamarine (13.2×13.2mm, trillion cut) appears 11% larger than 4ct Fluorite (12.53×12.53mm, trillion cut). See below how they compare side-by-side on a ring and finger.

4ct Fluorite (trillion cut)
vs
 4ct Aquamarine (trillion cut)
bluish green
 
light blue
12.53×12.53 mm 13.2×13.2 mm
actual size
Actual size of 4ct Fluorite (trillion cut, 12.53×12.53mm, Bluish Green color)   Actual size of 4ct Aquamarine (trillion cut, 13.2×13.2mm, Light Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Bluish Green 4ct Fluorite (trillion cut, 12.53×12.53mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Blue 4ct Aquamarine (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
 75% vs 79%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 4ct Fluorite Trillion (12.53×12.53mm, Bluish Green) and 4ct Aquamarine Trillion (13.2×13.2mm, Light Blue) 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, Fluorite will face-up smaller than Aquamarine for a given carat weight, because it has higher specific gravity (3.18 vs. 2.72 - this means it's "heavier" compared to Aquamarine 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 Fluorite (Trillion) 4 Ct Aquamarine (Trillion)
12.53×12.53 mm vs 13.2×13.2 mm
97.34 mm²   108.03 mm²
Face-up size outline for 4ct Aquamarine (13.2×13.2mm, trillion cut)
Face-up size outline for 4ct Fluorite (12.53×12.53mm, trillion cut)
4ct Fluorite Trillion (12.53×12.53mm)
4ct Aquamarine Trillion (13.2×13.2mm)
Difference: 11% (10.69 mm²)
4ct Aquamarine (Trillion, 13.2×13.2mm) has approx. 11% more face-up area than 4ct Fluorite (Trillion, 12.53×12.53mm).


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