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7ct Apatite (Emerald, 13.16×9.75mm, Green) vs 7ct Aquamarine (Emerald, 13.89×10.29mm, Light Blue)


Quick summary: When looked from above (face-up position), 7ct Aquamarine (13.89×10.29mm, emerald cut) appears 11% larger than 7ct Apatite (13.16×9.75mm, emerald cut). See below how they compare side-by-side on a ring and finger.

7ct Apatite (emerald cut)
vs
 7ct Aquamarine (emerald cut)
green
 
light blue
13.16×9.75 mm 13.89×10.29 mm
actual size
Actual size of 7ct Apatite (emerald cut, 13.16×9.75mm, Green color)   Actual size of 7ct Aquamarine (emerald cut, 13.89×10.29mm, 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 7ct Apatite (emerald cut, 13.16×9.75mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Blue 7ct Aquamarine (emerald cut, 13.89×10.29mm) 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
 58% vs 61%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 7ct Apatite Emerald (13.16×9.75mm, Green) and 7ct Aquamarine Emerald (13.89×10.29mm, 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.


7 Ct Apatite (Emerald) 7 Ct Aquamarine (Emerald)
13.16×9.75 mm vs 13.89×10.29 mm
119.33 mm²   132.92 mm²
Face-up size outline for 7ct Aquamarine (13.89×10.29mm, emerald cut)
Face-up size outline for 7ct Apatite (13.16×9.75mm, emerald cut)
7ct Apatite Emerald (13.16×9.75mm)
7ct Aquamarine Emerald (13.89×10.29mm)
Difference: 11% (13.59 mm²)
7ct Aquamarine (Emerald, 13.89×10.29mm) has approx. 11% more face-up area than 7ct Apatite (Emerald, 13.16×9.75mm).


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