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17ct Aquamarine (Radiant, 16.11×16.11mm, Light Blue) vs 17ct Diamond (Radiant, 14.86×14.86mm, White)


Quick summary: When looked from above (face-up position), 17ct Aquamarine (16.11×16.11mm, radiant cut) appears 18% larger than 17ct Diamond (14.86×14.86mm, radiant cut). See below how they compare side-by-side on a ring and finger.

17ct Aquamarine (radiant cut)
vs
17ct Diamond (radiant cut)
light blue
 
white
16.11×16.11 mm 14.86×14.86 mm
actual size
Actual size of 17ct Aquamarine (radiant cut, 16.11×16.11mm, Light Blue color)   Actual size of 17ct Diamond (radiant cut, 14.86×14.86mm, 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 17ct Aquamarine (radiant cut, 16.11×16.11mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 17ct Diamond (radiant cut, 14.86×14.86mm) 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
96% vs 88%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 17ct Aquamarine Radiant (16.11×16.11mm, Light Blue) and 17ct Diamond Radiant (14.86×14.86mm, 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.


17 Ct Aquamarine (Radiant) 17 Ct Diamond (Radiant)
16.11×16.11 mm vs 14.86×14.86 mm
246.56 mm²   209.78 mm²
Face-up size outline for 17ct Aquamarine (16.11×16.11mm, radiant cut)
Face-up size outline for 17ct Diamond (14.86×14.86mm, radiant cut)
17ct Aquamarine Radiant (16.11×16.11mm)
17ct Diamond Radiant (14.86×14.86mm)
Difference: 18% (36.78 mm²)
17ct Aquamarine (Radiant, 16.11×16.11mm) has approx. 18% more face-up area than 17ct Diamond (Radiant, 14.86×14.86mm).


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