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22ct Benitoite (Oval, 22.16×14.77mm, Blue) vs 22ct Alexandrite (Oval, 21.99×14.66mm, Bluish Green)


Quick summary: When looked from above (face-up position), 22ct Benitoite (22.16×14.77mm, oval cut) appears 2% larger than 22ct Alexandrite (21.99×14.66mm, oval cut). See below how they compare side-by-side on a ring and finger.

22ct Benitoite (oval cut)
vs
22ct Alexandrite (oval cut)
blue
 
bluish green
22.16×14.77 mm 21.99×14.66 mm
actual size
Actual size of 22ct Benitoite (oval cut, 22.16×14.77mm, Blue color)   Actual size of 22ct Alexandrite (oval cut, 21.99×14.66mm, 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 22ct Benitoite (oval cut, 22.16×14.77mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 22ct Alexandrite (oval cut, 21.99×14.66mm) 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
88% vs 87%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 22ct Benitoite Oval (22.16×14.77mm, Blue) and 22ct Alexandrite Oval (21.99×14.66mm, 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.


22 Ct Benitoite (Oval) 22 Ct Alexandrite (Oval)
22.16×14.77 mm vs 21.99×14.66 mm
268.39 mm²   264.35 mm²
Face-up size outline for 22ct Benitoite (22.16×14.77mm, oval cut)
Face-up size outline for 22ct Alexandrite (21.99×14.66mm, oval cut)
22ct Benitoite Oval (22.16×14.77mm)
22ct Alexandrite Oval (21.99×14.66mm)
Difference: 2% (4.04 mm²)
22ct Benitoite (Oval, 22.16×14.77mm) has approx. 2% more face-up area than 22ct Alexandrite (Oval, 21.99×14.66mm).


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