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36ct Benitoite (Pear, 28.95×17.44mm, Blue) vs 36ct Alexandrite (Pear, 28.75×17.32mm, Bluish Green)


Quick summary: When looked from above (face-up position), 36ct Benitoite (28.95×17.44mm, pear cut) appears 1% larger than 36ct Alexandrite (28.75×17.32mm, pear cut). See below how they compare side-by-side on a ring and finger.

36ct Benitoite (pear cut)
vs
 36ct Alexandrite (pear cut)
blue
 
bluish green
28.95×17.44 mm 28.75×17.32 mm
actual size
Actual size of 36ct Benitoite (pear cut, 28.95×17.44mm, Blue color)   Actual size of 36ct Alexandrite (pear cut, 28.75×17.32mm, 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 36ct Benitoite (pear cut, 28.95×17.44mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 36ct Alexandrite (pear cut, 28.75×17.32mm) 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
 104% vs 103%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 36ct Benitoite Pear (28.95×17.44mm, Blue) and 36ct Alexandrite Pear (28.75×17.32mm, 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.


36 Ct Benitoite (Pear) 36 Ct Alexandrite (Pear)
28.95×17.44 mm vs 28.75×17.32 mm
368.57 mm²   363.5 mm²
Face-up size outline for 36ct Benitoite (28.95×17.44mm, pear cut)
Face-up size outline for 36ct Alexandrite (28.75×17.32mm, pear cut)
36ct Benitoite Pear (28.95×17.44mm)
36ct Alexandrite Pear (28.75×17.32mm)
Difference: 1% (5.07 mm²)
36ct Benitoite (Pear, 28.95×17.44mm) has approx. 1% more face-up area than 36ct Alexandrite (Pear, 28.75×17.32mm).


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