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10ct Apatite (Cabochon, 15.89×10.59mm, Green) vs 10ct Aquamarine (Cabochon, 16.77×11.18mm, Light Blue)


Quick summary: When looked from above (face-up position), 10ct Aquamarine (16.77×11.18mm, cabochon cut) appears 11% larger than 10ct Apatite (15.89×10.59mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

10ct Apatite (cabochon cut)
vs
 10ct Aquamarine (cabochon cut)
green
 
light blue
15.89×10.59 mm 16.77×11.18 mm
actual size
Actual size of 10ct Apatite (cabochon cut, 15.89×10.59mm, Green color)   Actual size of 10ct Aquamarine (cabochon cut, 16.77×11.18mm, 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 10ct Apatite (cabochon cut, 15.89×10.59mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Blue 10ct Aquamarine (cabochon cut, 16.77×11.18mm) 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 67%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 10ct Apatite Cabochon (15.89×10.59mm, Green) and 10ct Aquamarine Cabochon (16.77×11.18mm, 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.


10 Ct Apatite (Cabochon) 10 Ct Aquamarine (Cabochon)
15.89×10.59 mm vs 16.77×11.18 mm
137.99 mm²   153.74 mm²
Face-up size outline for 10ct Aquamarine (16.77×11.18mm, cabochon cut)
Face-up size outline for 10ct Apatite (15.89×10.59mm, cabochon cut)
10ct Apatite Cabochon (15.89×10.59mm)
10ct Aquamarine Cabochon (16.77×11.18mm)
Difference: 11% (15.75 mm²)
10ct Aquamarine (Cabochon, 16.77×11.18mm) has approx. 11% more face-up area than 10ct Apatite (Cabochon, 15.89×10.59mm).


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