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2ct Aquamarine (Pear, 11.94×7.19mm, Light Blue) vs 0.37ct Diamond (Oval, 5.82×3.88mm, Yellow)


Quick summary: When looked from above (face-up position), 2ct Aquamarine (11.94×7.19mm, pear cut) appears 3.4 times larger than 0.37ct Diamond (5.82×3.88mm, oval cut). See below how they compare side-by-side on a ring and finger.

2ct Aquamarine (pear cut)
vs
0.37ct Diamond (oval cut)
light blue
 
yellow
11.94×7.19 mm 5.82×3.88 mm
actual size
Actual size of 2ct Aquamarine (pear cut, 11.94×7.19mm, Light Blue color)   Actual size of 0.37ct Diamond (oval cut, 5.82×3.88mm, Yellow color)
 
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Ring: Skin tone:
Ring width: 3.0 mm
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Left finger image
Ring on left finger
Light Blue 2ct Aquamarine (pear cut, 11.94×7.19mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Yellow 0.37ct Diamond (oval cut, 5.82×3.88mm) 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
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Ring diameter: 16.9 mm
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Actual sizes of 2ct Aquamarine Pear (11.94×7.19mm, Light Blue) and 0.37ct Diamond Oval (5.82×3.88mm, Yellow) 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, Diamond will face-up smaller than Aquamarine for a given carat weight, because it has higher specific gravity (3.52 vs. 2.7 - 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.


2 Ct Aquamarine (Pear) 0.37 Ct Diamond (Oval)
11.94×7.19 mm vs 5.82×3.88 mm
62.67 mm²   18.52 mm²
Face-up size outline for 2ct Aquamarine (11.94×7.19mm, pear cut)
Face-up size outline for 0.37ct Diamond (5.82×3.88mm, oval cut)
2ct Aquamarine Pear (11.94×7.19mm)
0.37ct Diamond Oval (5.82×3.88mm)
Difference: 238% (44.15 mm²)
2ct Aquamarine Pear (11.94×7.19mm) has approx. 238% more face-up area than 0.37ct Diamond Oval (5.82×3.88mm). In other words, it's 3.38x larger.


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