×
carat vs. color  length*  width*
  ×

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

1ct Fluorite (Asscher, 5.75×5.75mm, Bluish Green) vs 1ct Alexandrite (Asscher, 5.46×5.46mm, Bluish Green)


Quick summary: When looked from above (face-up position), 1ct Fluorite (5.75×5.75mm, asscher cut) appears 11% larger than 1ct Alexandrite (5.46×5.46mm, asscher cut). See below how they compare side-by-side on a ring and finger.

1ct Fluorite (asscher cut)
vs
 1ct Alexandrite (asscher cut)
bluish green
 
bluish green
5.75×5.75 mm 5.46×5.46 mm
actual size
Actual size of 1ct Fluorite (asscher cut, 5.75×5.75mm, Bluish Green color)   Actual size of 1ct Alexandrite (asscher cut, 5.46×5.46mm, Bluish Green color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Bluish Green 1ct Fluorite (asscher cut, 5.75×5.75mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 1ct Alexandrite (asscher cut, 5.46×5.46mm) 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
 35% vs 33%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1ct Fluorite Asscher (5.75×5.75mm, Bluish Green) and 1ct Alexandrite Asscher (5.46×5.46mm, 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 smaller than Fluorite for a given carat weight, because it has higher specific gravity (3.73 vs. 3.18 - this means it's "heavier" compared to Fluorite 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.


1 Ct Fluorite (Asscher) 1 Ct Alexandrite (Asscher)
5.75×5.75 mm vs 5.46×5.46 mm
30.42 mm²   27.43 mm²
Face-up size outline for 1ct Fluorite (5.75×5.75mm, asscher cut)
Face-up size outline for 1ct Alexandrite (5.46×5.46mm, asscher cut)
1ct Fluorite Asscher (5.75×5.75mm)
1ct Alexandrite Asscher (5.46×5.46mm)
Difference: 11% (2.99 mm²)
1ct Fluorite (Asscher, 5.75×5.75mm) has approx. 11% more face-up area than 1ct Alexandrite (Asscher, 5.46×5.46mm).


Popular comparisons: