×
carat vs. color  length*  width*
  ×

(or examine a )
* size in mm (optional)

16ct Benitoite (Asscher, 13.85×13.85mm, Blue) vs 16ct Alexandrite (Asscher, 13.75×13.75mm, Bluish Green)


Quick summary: When looked from above (face-up position), 16ct Benitoite (13.85×13.85mm, asscher cut) appears 1% larger than 16ct Alexandrite (13.75×13.75mm, asscher cut). See below how they compare side-by-side on a ring and finger.

16ct Benitoite (asscher cut)
vs
 16ct Alexandrite (asscher cut)
blue
 
bluish green
13.85×13.85 mm 13.75×13.75 mm
actual size
Actual size of 16ct Benitoite (asscher cut, 13.85×13.85mm, Blue color)   Actual size of 16ct Alexandrite (asscher cut, 13.75×13.75mm, 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 16ct Benitoite (asscher cut, 13.85×13.85mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 16ct Alexandrite (asscher cut, 13.75×13.75mm) 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
 82% vs 82%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 16ct Benitoite Asscher (13.85×13.85mm, Blue) and 16ct Alexandrite Asscher (13.75×13.75mm, 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.


16 Ct Benitoite (Asscher) 16 Ct Alexandrite (Asscher)
13.85×13.85 mm vs 13.75×13.75 mm
176.48 mm²   173.94 mm²
Face-up size outline for 16ct Benitoite (13.85×13.85mm, asscher cut)
Face-up size outline for 16ct Alexandrite (13.75×13.75mm, asscher cut)
16ct Benitoite Asscher (13.85×13.85mm)
16ct Alexandrite Asscher (13.75×13.75mm)
Difference: 1% (2.54 mm²)
16ct Benitoite (Asscher, 13.85×13.85mm) has approx. 1% more face-up area than 16ct Alexandrite (Asscher, 13.75×13.75mm).


Popular comparisons: