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9.5ct Apatite (Cabochon, 15.62×10.41mm, Green) vs 9.5ct Aquamarine (Cabochon, 16.49×10.99mm, Light Blue)


Quick summary: When looked from above (face-up position), 9.5ct Aquamarine (16.49×10.99mm, cabochon cut) appears 11% larger than 9.5ct Apatite (15.62×10.41mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

9.5ct Apatite (cabochon cut)
vs
 9.5ct Aquamarine (cabochon cut)
green
 
light blue
15.62×10.41 mm 16.49×10.99 mm
actual size
Actual size of 9.5ct Apatite (cabochon cut, 15.62×10.41mm, Green color)   Actual size of 9.5ct Aquamarine (cabochon cut, 16.49×10.99mm, 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 9.5ct Apatite (cabochon cut, 15.62×10.41mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Blue 9.5ct Aquamarine (cabochon cut, 16.49×10.99mm) 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
 62% vs 66%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 9.5ct Apatite Cabochon (15.62×10.41mm, Green) and 9.5ct Aquamarine Cabochon (16.49×10.99mm, 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.


9.5 Ct Apatite (Cabochon) 9.5 Ct Aquamarine (Cabochon)
15.62×10.41 mm vs 16.49×10.99 mm
133.34 mm²   148.6 mm²
Face-up size outline for 9.5ct Aquamarine (16.49×10.99mm, cabochon cut)
Face-up size outline for 9.5ct Apatite (15.62×10.41mm, cabochon cut)
9.5ct Apatite Cabochon (15.62×10.41mm)
9.5ct Aquamarine Cabochon (16.49×10.99mm)
Difference: 11% (15.26 mm²)
9.5ct Aquamarine (Cabochon, 16.49×10.99mm) has approx. 11% more face-up area than 9.5ct Apatite (Cabochon, 15.62×10.41mm).


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