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5ct Amethyst (Trillion, 13.79×13.79mm, Dark Violet) vs 5ct Sapphire (Baguette, 11.85×7.9mm, Blue)


Quick summary: When looked from above (face-up position), 5ct Amethyst (13.79×13.79mm, trillion cut) appears 26% larger than 5ct Sapphire (11.85×7.9mm, baguette cut). See below how they compare side-by-side on a ring and finger.

5ct Amethyst (trillion cut)
vs
5ct Sapphire (baguette cut)
dark violet
 
blue
13.79×13.79 mm 11.85×7.9 mm
actual size
Actual size of 5ct Amethyst (trillion cut, 13.79×13.79mm, Dark Violet color)   Actual size of 5ct Sapphire (baguette cut, 11.85×7.9mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Dark Violet 5ct Amethyst (trillion cut, 13.79×13.79mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 5ct Sapphire (baguette cut, 11.85×7.9mm) 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
82% vs 47%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 5ct Amethyst Trillion (13.79×13.79mm, Dark Violet) and 5ct Sapphire Baguette (11.85×7.9mm, 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 Amethyst for a given carat weight, because it has higher specific gravity (4 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.


5 Ct Amethyst (Trillion) 5 Ct Sapphire (Baguette)
13.79×13.79 mm vs 11.85×7.9 mm
117.9 mm²   93.62 mm²
Face-up size outline for 5ct Amethyst (13.79×13.79mm, trillion cut)
Face-up size outline for 5ct Sapphire (11.85×7.9mm, baguette cut)
5ct Amethyst Trillion (13.79×13.79mm)
5ct Sapphire Baguette (11.85×7.9mm)
Difference: 26% (24.28 mm²)
5ct Amethyst (Trillion, 13.79×13.79mm) has approx. 26% more face-up area than 5ct Sapphire (Baguette, 11.85×7.9mm).


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