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0.25ct Fluorite (Asscher, 3.63×3.63mm, Bluish Green) vs 0.25ct Alexandrite (Asscher, 3.44×3.44mm, Bluish Green)


Quick summary: When looked from above (face-up position), 0.25ct Fluorite (3.63×3.63mm, asscher cut) appears 11% larger than 0.25ct Alexandrite (3.44×3.44mm, asscher cut). See below how they compare side-by-side on a ring and finger.

0.25ct Fluorite (asscher cut)
vs
 0.25ct Alexandrite (asscher cut)
bluish green
 
bluish green
3.63×3.63 mm 3.44×3.44 mm
actual size
Actual size of 0.25ct Fluorite (asscher cut, 3.63×3.63mm, Bluish Green color)   Actual size of 0.25ct Alexandrite (asscher cut, 3.44×3.44mm, Bluish Green color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Bluish Green 0.25ct Fluorite (asscher cut, 3.63×3.63mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 0.25ct Alexandrite (asscher cut, 3.44×3.44mm) 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
 22% vs 21%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.25ct Fluorite Asscher (3.63×3.63mm, Bluish Green) and 0.25ct Alexandrite Asscher (3.44×3.44mm, 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 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.


0.25 Ct Fluorite (Asscher) 0.25 Ct Alexandrite (Asscher)
3.63×3.63 mm vs 3.44×3.44 mm
12.12 mm²   10.89 mm²
Face-up size outline for 0.25ct Fluorite (3.63×3.63mm, asscher cut)
Face-up size outline for 0.25ct Alexandrite (3.44×3.44mm, asscher cut)
0.25ct Fluorite Asscher (3.63×3.63mm)
0.25ct Alexandrite Asscher (3.44×3.44mm)
Difference: 11% (1.23 mm²)
0.25ct Fluorite (Asscher, 3.63×3.63mm) has approx. 11% more face-up area than 0.25ct Alexandrite (Asscher, 3.44×3.44mm).


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