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15ct Andesine (Trillion, 20.63×20.63mm, Orange) vs 15ct Benitoite (Trillion, 18.59×18.59mm, Blue)


Quick summary: When looked from above (face-up position), 15ct Andesine (20.63×20.63mm, trillion cut) appears 23% larger than 15ct Benitoite (18.59×18.59mm, trillion cut). See below how they compare side-by-side on a ring and finger.

15ct Andesine (trillion cut)
vs
 15ct Benitoite (trillion cut)
orange
 
blue
20.63×20.63 mm 18.59×18.59 mm
actual size
Actual size of 15ct Andesine (trillion cut, 20.63×20.63mm, Orange color)   Actual size of 15ct Benitoite (trillion cut, 18.59×18.59mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Orange 15ct Andesine (trillion cut, 20.63×20.63mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 15ct Benitoite (trillion cut, 18.59×18.59mm) 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
 123% vs 111%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 15ct Andesine Trillion (20.63×20.63mm, Orange) and 15ct Benitoite Trillion (18.59×18.59mm, 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.


15 Ct Andesine (Trillion) 15 Ct Benitoite (Trillion)
20.63×20.63 mm vs 18.59×18.59 mm
263.87 mm²   214.26 mm²
Face-up size outline for 15ct Andesine (20.63×20.63mm, trillion cut)
Face-up size outline for 15ct Benitoite (18.59×18.59mm, trillion cut)
15ct Andesine Trillion (20.63×20.63mm)
15ct Benitoite Trillion (18.59×18.59mm)
Difference: 23% (49.61 mm²)
15ct Andesine (Trillion, 20.63×20.63mm) has approx. 23% more face-up area than 15ct Benitoite (Trillion, 18.59×18.59mm).


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