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26ct Benitoite (Oval, 23.42×15.61mm, Blue) vs 26ct Alexandrite (Oval, 23.25×15.5mm, Bluish Green)


Quick summary: When looked from above (face-up position), 26ct Benitoite (23.42×15.61mm, oval cut) appears 1% larger than 26ct Alexandrite (23.25×15.5mm, oval cut). See below how they compare side-by-side on a ring and finger.

26ct Benitoite (oval cut)
vs
 26ct Alexandrite (oval cut)
blue
 
bluish green
23.42×15.61 mm 23.25×15.5 mm
actual size
Actual size of 26ct Benitoite (oval cut, 23.42×15.61mm, Blue color)   Actual size of 26ct Alexandrite (oval cut, 23.25×15.5mm, 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 26ct Benitoite (oval cut, 23.42×15.61mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 26ct Alexandrite (oval cut, 23.25×15.5mm) 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
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Actual sizes of 26ct Benitoite Oval (23.42×15.61mm, Blue) and 26ct Alexandrite Oval (23.25×15.5mm, 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.


26 Ct Benitoite (Oval) 26 Ct Alexandrite (Oval)
23.42×15.61 mm vs 23.25×15.5 mm
299.78 mm²   295.51 mm²
Face-up size outline for 26ct Benitoite (23.42×15.61mm, oval cut)
Face-up size outline for 26ct Alexandrite (23.25×15.5mm, oval cut)
26ct Benitoite Oval (23.42×15.61mm)
26ct Alexandrite Oval (23.25×15.5mm)
Difference: 1% (4.27 mm²)
26ct Benitoite (Oval, 23.42×15.61mm) has approx. 1% more face-up area than 26ct Alexandrite (Oval, 23.25×15.5mm).


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