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0.8ct Amethyst (Trillion, 7.48×7.48mm, Purple) vs 0.5ct Amethyst (Trillion, 6.4×6.4mm, Purple)


Quick summary: When looked from above (face-up position), 0.8ct Amethyst (7.48×7.48mm, trillion cut) appears 37% larger than 0.5ct Amethyst (6.4×6.4mm, trillion cut). See below how they compare side-by-side on a ring and finger.

0.8ct Amethyst (trillion cut)
vs
0.5ct Amethyst (trillion cut)
purple
 
purple
7.48×7.48 mm 6.4×6.4 mm
actual size
Actual size of 0.8ct Amethyst (trillion cut, 7.48×7.48mm, Purple color)   Actual size of 0.5ct Amethyst (trillion cut, 6.4×6.4mm, Purple color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Purple 0.8ct Amethyst (trillion cut, 7.48×7.48mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Purple 0.5ct Amethyst (trillion cut, 6.4×6.4mm) 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
45% vs 38%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.8ct Amethyst Trillion (7.48×7.48mm, Purple) and 0.5ct Amethyst Trillion (6.4×6.4mm, Purple) 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

The face-up size depends on the shape of the gem, its weight and 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.


0.8 Ct Amethyst (Trillion) 0.5 Ct Amethyst (Trillion)
7.48×7.48 mm vs 6.4×6.4 mm
34.69 mm²   25.4 mm²
Face-up size outline for 0.8ct Amethyst (7.48×7.48mm, trillion cut)
Face-up size outline for 0.5ct Amethyst (6.4×6.4mm, trillion cut)
0.8ct Amethyst Trillion (7.48×7.48mm)
0.5ct Amethyst Trillion (6.4×6.4mm)
Difference: 37% (9.29 mm²)
0.8ct Amethyst (Trillion, 7.48×7.48mm) has approx. 37% more face-up area than 0.5ct Amethyst (Trillion, 6.4×6.4mm).


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