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19ct Amethyst (Baguette, 21.21×14.14mm, Violet) vs 19ct Alexandrite (Baguette, 18.93×12.62mm, Bluish Green)


Quick summary: When looked from above (face-up position), 19ct Amethyst (21.21×14.14mm, baguette cut) appears 26% larger than 19ct Alexandrite (18.93×12.62mm, baguette cut). See below how they compare side-by-side on a ring and finger.

19ct Amethyst (baguette cut)
vs
19ct Alexandrite (baguette cut)
violet
 
bluish green
21.21×14.14 mm 18.93×12.62 mm
actual size
Actual size of 19ct Amethyst (baguette cut, 21.21×14.14mm, Violet color)   Actual size of 19ct Alexandrite (baguette cut, 18.93×12.62mm, Bluish Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Violet 19ct Amethyst (baguette cut, 21.21×14.14mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 19ct Alexandrite (baguette cut, 18.93×12.62mm) 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
84% vs 75%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 19ct Amethyst Baguette (21.21×14.14mm, Violet) and 19ct Alexandrite Baguette (18.93×12.62mm, 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 Amethyst for a given carat weight, because it has higher specific gravity (3.73 vs. 2.65 - this means it's "heavier" compared to Amethyst 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.


19 Ct Amethyst (Baguette) 19 Ct Alexandrite (Baguette)
21.21×14.14 mm vs 18.93×12.62 mm
299.91 mm²   238.9 mm²
Face-up size outline for 19ct Amethyst (21.21×14.14mm, baguette cut)
Face-up size outline for 19ct Alexandrite (18.93×12.62mm, baguette cut)
19ct Amethyst Baguette (21.21×14.14mm)
19ct Alexandrite Baguette (18.93×12.62mm)
Difference: 26% (61.01 mm²)
19ct Amethyst (Baguette, 21.21×14.14mm) has approx. 26% more face-up area than 19ct Alexandrite (Baguette, 18.93×12.62mm).


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