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33ct Benitoite (Pear, 28.12×16.94mm, Blue) vs 33ct Alexandrite (Pear, 27.92×16.82mm, Bluish Green)


Quick summary: When looked from above (face-up position), 33ct Benitoite (28.12×16.94mm, pear cut) appears 1% larger than 33ct Alexandrite (27.92×16.82mm, pear cut). See below how they compare side-by-side on a ring and finger.

33ct Benitoite (pear cut)
vs
 33ct Alexandrite (pear cut)
blue
 
bluish green
28.12×16.94 mm 27.92×16.82 mm
actual size
Actual size of 33ct Benitoite (pear cut, 28.12×16.94mm, Blue color)   Actual size of 33ct Alexandrite (pear cut, 27.92×16.82mm, 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 33ct Benitoite (pear cut, 28.12×16.94mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 33ct Alexandrite (pear cut, 27.92×16.82mm) 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
 101% vs 100%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 33ct Benitoite Pear (28.12×16.94mm, Blue) and 33ct Alexandrite Pear (27.92×16.82mm, 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.


33 Ct Benitoite (Pear) 33 Ct Alexandrite (Pear)
28.12×16.94 mm vs 27.92×16.82 mm
347.74 mm²   342.82 mm²
Face-up size outline for 33ct Benitoite (28.12×16.94mm, pear cut)
Face-up size outline for 33ct Alexandrite (27.92×16.82mm, pear cut)
33ct Benitoite Pear (28.12×16.94mm)
33ct Alexandrite Pear (27.92×16.82mm)
Difference: 1% (4.92 mm²)
33ct Benitoite (Pear, 28.12×16.94mm) has approx. 1% more face-up area than 33ct Alexandrite (Pear, 27.92×16.82mm).


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