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3ct Aquamarine (Emerald, 10×8mm, Light Bluish Green) vs 2.51ct Sapphire (Pear, 9.72×9.42mm, Dark Blue)


Quick summary: When looked from above (face-up position), 3ct Aquamarine (10×8mm, emerald cut) appears 11% larger than 2.51ct Sapphire (9.72×9.42mm, pear cut). See below how they compare side-by-side on a ring and finger.

3ct Aquamarine (emerald cut)
vs
 2.51ct Sapphire (pear cut)
light bluish green
 
dark blue
10×8 mm 9.72×9.42 mm
actual size
Actual size of 3ct Aquamarine (emerald cut, 10×8mm, Light Bluish Green color)   Actual size of 2.51ct Sapphire (pear cut, 9.72×9.42mm, Dark Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Bluish Green 3ct Aquamarine (emerald cut, 10×8mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Dark Blue 2.51ct Sapphire (pear cut, 9.72×9.42mm) 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
 48% vs 56%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 3ct Aquamarine Emerald (10×8mm, Light Bluish Green) and 2.51ct Sapphire Pear (9.72×9.42mm, Dark 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, Sapphire will face-up smaller than Aquamarine for a given carat weight, because it has higher specific gravity (4 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 Ct Aquamarine (Emerald) 2.51 Ct Sapphire (Pear)
10×8 mm vs 9.72×9.42 mm
74.4 mm²   66.84 mm²
Face-up size outline for 3ct Aquamarine (10×8mm, emerald cut)
Face-up size outline for 2.51ct Sapphire (9.72×9.42mm, pear cut)
3ct Aquamarine Emerald (10×8mm)
2.51ct Sapphire Pear (9.72×9.42mm)
Difference: 11% (7.56 mm²)
3ct Aquamarine (Emerald, 10×8mm) has approx. 11% more face-up area than 2.51ct Sapphire (Pear, 9.72×9.42mm).


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