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11ct Benitoite (Princess, 12.04×12.04mm, Blue) vs 11ct Alexandrite (Princess, 11.96×11.96mm, Bluish Green)


Quick summary: When looked from above (face-up position), 11ct Benitoite (12.04×12.04mm, princess cut) appears 1% larger than 11ct Alexandrite (11.96×11.96mm, princess cut). See below how they compare side-by-side on a ring and finger.

11ct Benitoite (princess cut)
vs
 11ct Alexandrite (princess cut)
blue
 
bluish green
12.04×12.04 mm 11.96×11.96 mm
actual size
Actual size of 11ct Benitoite (princess cut, 12.04×12.04mm, Blue color)   Actual size of 11ct Alexandrite (princess cut, 11.96×11.96mm, Bluish Green color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 11ct Benitoite (princess cut, 12.04×12.04mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 11ct Alexandrite (princess cut, 11.96×11.96mm) 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
 72% vs 71%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 11ct Benitoite Princess (12.04×12.04mm, Blue) and 11ct Alexandrite Princess (11.96×11.96mm, Bluish Green) 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, Alexandrite will face-up slightly smaller than Benitoite for a given carat weight, because it has higher specific gravity (3.73 vs. 3.65 - this means it's "slightly heavier" compared to Benitoite 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.


11 Ct Benitoite (Princess) 11 Ct Alexandrite (Princess)
12.04×12.04 mm vs 11.96×11.96 mm
144.96 mm²   143.04 mm²
Face-up size outline for 11ct Benitoite (12.04×12.04mm, princess cut)
Face-up size outline for 11ct Alexandrite (11.96×11.96mm, princess cut)
11ct Benitoite Princess (12.04×12.04mm)
11ct Alexandrite Princess (11.96×11.96mm)
Difference: 1% (1.92 mm²)
11ct Benitoite (Princess, 12.04×12.04mm) has approx. 1% more face-up area than 11ct Alexandrite (Princess, 11.96×11.96mm).


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