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3.5ct Apatite (Trillion, 11.96×11.96mm, Green) vs 3.5ct Aquamarine (Trillion, 12.62×12.62mm, Light Blue)


Quick summary: When looked from above (face-up position), 3.5ct Aquamarine (12.62×12.62mm, trillion cut) appears 11% larger than 3.5ct Apatite (11.96×11.96mm, trillion cut). See below how they compare side-by-side on a ring and finger.

3.5ct Apatite (trillion cut)
vs
 3.5ct Aquamarine (trillion cut)
green
 
light blue
11.96×11.96 mm 12.62×12.62 mm
actual size
Actual size of 3.5ct Apatite (trillion cut, 11.96×11.96mm, Green color)   Actual size of 3.5ct Aquamarine (trillion cut, 12.62×12.62mm, Light Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Green 3.5ct Apatite (trillion cut, 11.96×11.96mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Blue 3.5ct Aquamarine (trillion cut, 12.62×12.62mm) 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 75%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 3.5ct Apatite Trillion (11.96×11.96mm, Green) and 3.5ct Aquamarine Trillion (12.62×12.62mm, 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, Apatite will face-up smaller than Aquamarine for a given carat weight, because it has higher specific gravity (3.2 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.


3.5 Ct Apatite (Trillion) 3.5 Ct Aquamarine (Trillion)
11.96×11.96 mm vs 12.62×12.62 mm
88.69 mm²   98.74 mm²
Face-up size outline for 3.5ct Aquamarine (12.62×12.62mm, trillion cut)
Face-up size outline for 3.5ct Apatite (11.96×11.96mm, trillion cut)
3.5ct Apatite Trillion (11.96×11.96mm)
3.5ct Aquamarine Trillion (12.62×12.62mm)
Difference: 11% (10.05 mm²)
3.5ct Aquamarine (Trillion, 12.62×12.62mm) has approx. 11% more face-up area than 3.5ct Apatite (Trillion, 11.96×11.96mm).


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