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26ct Aquamarine (Marquise, 32.76×16.38mm, Light Blue) vs 26ct Diamond (Marquise, 30.78×15.39mm, White)


Quick summary: When looked from above (face-up position), 26ct Aquamarine (32.76×16.38mm, marquise cut) appears 13% larger than 26ct Diamond (30.78×15.39mm, marquise cut). See below how they compare side-by-side on a ring and finger.

26ct Aquamarine (marquise cut)
vs
 26ct Diamond (marquise cut)
light blue
 
white
32.76×16.38 mm 30.78×15.39 mm
actual size
Actual size of 26ct Aquamarine (marquise cut, 32.76×16.38mm, Light Blue color)   Actual size of 26ct Diamond (marquise cut, 30.78×15.39mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Blue 26ct Aquamarine (marquise cut, 32.76×16.38mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 26ct Diamond (marquise cut, 30.78×15.39mm) 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
 97% vs 92%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 26ct Aquamarine Marquise (32.76×16.38mm, Light Blue) and 26ct Diamond Marquise (30.78×15.39mm, White) 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. 2.72 - 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.


26 Ct Aquamarine (Marquise) 26 Ct Diamond (Marquise)
32.76×16.38 mm vs 30.78×15.39 mm
380.99 mm²   336.33 mm²
Face-up size outline for 26ct Aquamarine (32.76×16.38mm, marquise cut)
Face-up size outline for 26ct Diamond (30.78×15.39mm, marquise cut)
26ct Aquamarine Marquise (32.76×16.38mm)
26ct Diamond Marquise (30.78×15.39mm)
Difference: 13% (44.66 mm²)
26ct Aquamarine (Marquise, 32.76×16.38mm) has approx. 13% more face-up area than 26ct Diamond (Marquise, 30.78×15.39mm).


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