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40ct Aquamarine (Baguette, 26.96×17.97mm, Light Blue) vs 40ct Diamond (Baguette, 24.74×16.49mm, White)


Quick summary: When looked from above (face-up position), 40ct Aquamarine (26.96×17.97mm, baguette cut) appears 19% larger than 40ct Diamond (24.74×16.49mm, baguette cut). See below how they compare side-by-side on a ring and finger.

40ct Aquamarine (baguette cut)
vs
40ct Diamond (baguette cut)
light blue
 
white
26.96×17.97 mm 24.74×16.49 mm
actual size
Actual size of 40ct Aquamarine (baguette cut, 26.96×17.97mm, Light Blue color)   Actual size of 40ct Diamond (baguette cut, 24.74×16.49mm, 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 40ct Aquamarine (baguette cut, 26.96×17.97mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 40ct Diamond (baguette cut, 24.74×16.49mm) 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
107% vs 98%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 40ct Aquamarine Baguette (26.96×17.97mm, Light Blue) and 40ct Diamond Baguette (24.74×16.49mm, 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.


40 Ct Aquamarine (Baguette) 40 Ct Diamond (Baguette)
26.96×17.97 mm vs 24.74×16.49 mm
484.47 mm²   407.96 mm²
Face-up size outline for 40ct Aquamarine (26.96×17.97mm, baguette cut)
Face-up size outline for 40ct Diamond (24.74×16.49mm, baguette cut)
40ct Aquamarine Baguette (26.96×17.97mm)
40ct Diamond Baguette (24.74×16.49mm)
Difference: 19% (76.51 mm²)
40ct Aquamarine (Baguette, 26.96×17.97mm) has approx. 19% more face-up area than 40ct Diamond (Baguette, 24.74×16.49mm).


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