×
carat vs. color  length*  width*
  ×

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

14ct Benitoite (Heart, 15.55×15.55mm, Blue) vs 14ct Alexandrite (Heart, 15.44×15.44mm, Bluish Green)


Quick summary: When looked from above (face-up position), 14ct Benitoite (15.55×15.55mm, heart cut) appears 1% larger than 14ct Alexandrite (15.44×15.44mm, heart cut). See below how they compare side-by-side on a ring and finger.

14ct Benitoite (heart cut)
vs
14ct Alexandrite (heart cut)
blue
 
bluish green
15.55×15.55 mm 15.44×15.44 mm
actual size
Actual size of 14ct Benitoite (heart cut, 15.55×15.55mm, Blue color)   Actual size of 14ct Alexandrite (heart cut, 15.44×15.44mm, 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 14ct Benitoite (heart cut, 15.55×15.55mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 14ct Alexandrite (heart cut, 15.44×15.44mm) 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
93% vs 92%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 14ct Benitoite Heart (15.55×15.55mm, Blue) and 14ct Alexandrite Heart (15.44×15.44mm, 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.


14 Ct Benitoite (Heart) 14 Ct Alexandrite (Heart)
15.55×15.55 mm vs 15.44×15.44 mm
174.1 mm²   171.64 mm²
Face-up size outline for 14ct Benitoite (15.55×15.55mm, heart cut)
Face-up size outline for 14ct Alexandrite (15.44×15.44mm, heart cut)
14ct Benitoite Heart (15.55×15.55mm)
14ct Alexandrite Heart (15.44×15.44mm)
Difference: 1% (2.46 mm²)
14ct Benitoite (Heart, 15.55×15.55mm) has approx. 1% more face-up area than 14ct Alexandrite (Heart, 15.44×15.44mm).


Popular comparisons: