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40ct Andesine (Princess, 20.56×20.56mm, Orange) vs 40ct Benitoite (Princess, 18.52×18.52mm, Blue)


Quick summary: When looked from above (face-up position), 40ct Andesine (20.56×20.56mm, princess cut) appears 23% larger than 40ct Benitoite (18.52×18.52mm, princess cut). See below how they compare side-by-side on a ring and finger.

40ct Andesine (princess cut)
vs
 40ct Benitoite (princess cut)
orange
 
blue
20.56×20.56 mm 18.52×18.52 mm
actual size
Actual size of 40ct Andesine (princess cut, 20.56×20.56mm, Orange color)   Actual size of 40ct Benitoite (princess cut, 18.52×18.52mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Orange 40ct Andesine (princess cut, 20.56×20.56mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 40ct Benitoite (princess cut, 18.52×18.52mm) 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
 122% vs 110%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 40ct Andesine Princess (20.56×20.56mm, Orange) and 40ct Benitoite Princess (18.52×18.52mm, Blue) 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, Benitoite will face-up smaller than Andesine for a given carat weight, because it has higher specific gravity (3.65 vs. 2.67 - this means it's "heavier" compared to Andesine 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 Andesine (Princess) 40 Ct Benitoite (Princess)
20.56×20.56 mm vs 18.52×18.52 mm
422.71 mm²   342.99 mm²
Face-up size outline for 40ct Andesine (20.56×20.56mm, princess cut)
Face-up size outline for 40ct Benitoite (18.52×18.52mm, princess cut)
40ct Andesine Princess (20.56×20.56mm)
40ct Benitoite Princess (18.52×18.52mm)
Difference: 23% (79.72 mm²)
40ct Andesine (Princess, 20.56×20.56mm) has approx. 23% more face-up area than 40ct Benitoite (Princess, 18.52×18.52mm).


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