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26ct Aquamarine (Heart, 21.08×21.08mm, Light Blue) vs 26ct Diamond (Heart, 19.44×19.44mm, White)


Quick summary: When looked from above (face-up position), 26ct Aquamarine (21.08×21.08mm, heart cut) appears 18% larger than 26ct Diamond (19.44×19.44mm, heart cut). See below how they compare side-by-side on a ring and finger.

26ct Aquamarine (heart cut)
vs
26ct Diamond (heart cut)
light blue
 
white
21.08×21.08 mm 19.44×19.44 mm
actual size
Actual size of 26ct Aquamarine (heart cut, 21.08×21.08mm, Light Blue color)   Actual size of 26ct Diamond (heart cut, 19.44×19.44mm, 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 (heart cut, 21.08×21.08mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 26ct Diamond (heart cut, 19.44×19.44mm) 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
125% vs 116%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 26ct Aquamarine Heart (21.08×21.08mm, Light Blue) and 26ct Diamond Heart (19.44×19.44mm, 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 (Heart) 26 Ct Diamond (Heart)
21.08×21.08 mm vs 19.44×19.44 mm
319.94 mm²   272.1 mm²
Face-up size outline for 26ct Aquamarine (21.08×21.08mm, heart cut)
Face-up size outline for 26ct Diamond (19.44×19.44mm, heart cut)
26ct Aquamarine Heart (21.08×21.08mm)
26ct Diamond Heart (19.44×19.44mm)
Difference: 18% (47.84 mm²)
26ct Aquamarine (Heart, 21.08×21.08mm) has approx. 18% more face-up area than 26ct Diamond (Heart, 19.44×19.44mm).


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