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28ct Benitoite (Baguette, 21.69×14.46mm, Blue) vs 28ct Alexandrite (Baguette, 21.54×14.36mm, Bluish Green)


Quick summary: When looked from above (face-up position), 28ct Benitoite (21.69×14.46mm, baguette cut) appears 1% larger than 28ct Alexandrite (21.54×14.36mm, baguette cut). See below how they compare side-by-side on a ring and finger.

28ct Benitoite (baguette cut)
vs
 28ct Alexandrite (baguette cut)
blue
 
bluish green
21.69×14.46 mm 21.54×14.36 mm
actual size
Actual size of 28ct Benitoite (baguette cut, 21.69×14.46mm, Blue color)   Actual size of 28ct Alexandrite (baguette cut, 21.54×14.36mm, 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 28ct Benitoite (baguette cut, 21.69×14.46mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 28ct Alexandrite (baguette cut, 21.54×14.36mm) 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
 86% vs 85%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 28ct Benitoite Baguette (21.69×14.46mm, Blue) and 28ct Alexandrite Baguette (21.54×14.36mm, 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.


28 Ct Benitoite (Baguette) 28 Ct Alexandrite (Baguette)
21.69×14.46 mm vs 21.54×14.36 mm
313.64 mm²   309.31 mm²
Face-up size outline for 28ct Benitoite (21.69×14.46mm, baguette cut)
Face-up size outline for 28ct Alexandrite (21.54×14.36mm, baguette cut)
28ct Benitoite Baguette (21.69×14.46mm)
28ct Alexandrite Baguette (21.54×14.36mm)
Difference: 1% (4.33 mm²)
28ct Benitoite (Baguette, 21.69×14.46mm) has approx. 1% more face-up area than 28ct Alexandrite (Baguette, 21.54×14.36mm).


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