×
carat vs. color  length*  width*
  ×

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

6ct Alexandrite (Asscher, 9.92×9.92mm, Bluish Green) vs 6ct Sapphire (Asscher, 9.69×9.69mm, Blue)


Quick summary: When looked from above (face-up position), 6ct Alexandrite (9.92×9.92mm, asscher cut) appears 5% larger than 6ct Sapphire (9.69×9.69mm, asscher cut). See below how they compare side-by-side on a ring and finger.

6ct Alexandrite (asscher cut)
vs
 6ct Sapphire (asscher cut)
bluish green
 
blue
9.92×9.92 mm 9.69×9.69 mm
actual size
Actual size of 6ct Alexandrite (asscher cut, 9.92×9.92mm, Bluish Green color)   Actual size of 6ct Sapphire (asscher cut, 9.69×9.69mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Bluish Green 6ct Alexandrite (asscher cut, 9.92×9.92mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 6ct Sapphire (asscher cut, 9.69×9.69mm) 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
 59% vs 58%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 6ct Alexandrite Asscher (9.92×9.92mm, Bluish Green) and 6ct Sapphire Asscher (9.69×9.69mm, Blue) 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, Sapphire will face-up smaller than Alexandrite for a given carat weight, because it has higher specific gravity (4 vs. 3.73 - this means it's "heavier" compared to Alexandrite 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.


6 Ct Alexandrite (Asscher) 6 Ct Sapphire (Asscher)
9.92×9.92 mm vs 9.69×9.69 mm
90.53 mm²   86.38 mm²
Face-up size outline for 6ct Alexandrite (9.92×9.92mm, asscher cut)
Face-up size outline for 6ct Sapphire (9.69×9.69mm, asscher cut)
6ct Alexandrite Asscher (9.92×9.92mm)
6ct Sapphire Asscher (9.69×9.69mm)
Difference: 5% (4.15 mm²)
6ct Alexandrite (Asscher, 9.92×9.92mm) has approx. 5% more face-up area than 6ct Sapphire (Asscher, 9.69×9.69mm).


Popular comparisons: