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17ct Aquamarine (Baguette, 20.27×13.51mm, Light Blue) vs 17ct Diamond (Baguette, 18.6×12.4mm, White)


Quick summary: When looked from above (face-up position), 17ct Aquamarine (20.27×13.51mm, baguette cut) appears 19% larger than 17ct Diamond (18.6×12.4mm, baguette cut). See below how they compare side-by-side on a ring and finger.

17ct Aquamarine (baguette cut)
vs
 17ct Diamond (baguette cut)
light blue
 
white
20.27×13.51 mm 18.6×12.4 mm
actual size
Actual size of 17ct Aquamarine (baguette cut, 20.27×13.51mm, Light Blue color)   Actual size of 17ct Diamond (baguette cut, 18.6×12.4mm, 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 (baguette cut, 20.27×13.51mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 17ct Diamond (baguette cut, 18.6×12.4mm) 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
 80% vs 74%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 17ct Aquamarine Baguette (20.27×13.51mm, Light Blue) and 17ct Diamond Baguette (18.6×12.4mm, 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 (Baguette) 17 Ct Diamond (Baguette)
20.27×13.51 mm vs 18.6×12.4 mm
273.85 mm²   230.64 mm²
Face-up size outline for 17ct Aquamarine (20.27×13.51mm, baguette cut)
Face-up size outline for 17ct Diamond (18.6×12.4mm, baguette cut)
17ct Aquamarine Baguette (20.27×13.51mm)
17ct Diamond Baguette (18.6×12.4mm)
Difference: 19% (43.21 mm²)
17ct Aquamarine (Baguette, 20.27×13.51mm) has approx. 19% more face-up area than 17ct Diamond (Baguette, 18.6×12.4mm).


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