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7ct Apatite (Oval, 15.8×10.53mm, Green) vs 7ct Aquamarine (Oval, 16.68×11.12mm, Light Blue)


Quick summary: When looked from above (face-up position), 7ct Aquamarine (16.68×11.12mm, oval cut) appears 11% larger than 7ct Apatite (15.8×10.53mm, oval cut). See below how they compare side-by-side on a ring and finger.

7ct Apatite (oval cut)
vs
7ct Aquamarine (oval cut)
green
 
light blue
15.8×10.53 mm 16.68×11.12 mm
actual size
Actual size of 7ct Apatite (oval cut, 15.8×10.53mm, Green color)   Actual size of 7ct Aquamarine (oval cut, 16.68×11.12mm, 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 (oval cut, 15.8×10.53mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Blue 7ct Aquamarine (oval cut, 16.68×11.12mm) 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
63% vs 66%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 7ct Apatite Oval (15.8×10.53mm, Green) and 7ct Aquamarine Oval (16.68×11.12mm, 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 (Oval) 7 Ct Aquamarine (Oval)
15.8×10.53 mm vs 16.68×11.12 mm
136.43 mm²   152.09 mm²
Face-up size outline for 7ct Aquamarine (16.68×11.12mm, oval cut)
Face-up size outline for 7ct Apatite (15.8×10.53mm, oval cut)
7ct Apatite Oval (15.8×10.53mm)
7ct Aquamarine Oval (16.68×11.12mm)
Difference: 11% (15.66 mm²)
7ct Aquamarine (Oval, 16.68×11.12mm) has approx. 11% more face-up area than 7ct Apatite (Oval, 15.8×10.53mm).


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