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6ct Amethyst (Round, 12.46×12.46mm, Violet) vs 1.8ct Amethyst (Round, 8.34×8.34mm, Violet)


Quick summary: When looked from above (face-up position), 6ct Amethyst (12.46×12.46mm, round cut) appears 2.2 times larger than 1.8ct Amethyst (8.34×8.34mm, round cut). See below how they compare side-by-side on a ring and finger.

6ct Amethyst (round cut)
vs
1.8ct Amethyst (round cut)
violet
 
violet
12.46×12.46 mm 8.34×8.34 mm
actual size
Actual size of 6ct Amethyst (round cut, 12.46×12.46mm, Violet color)   Actual size of 1.8ct Amethyst (round cut, 8.34×8.34mm, Violet color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Violet 6ct Amethyst (round cut, 12.46×12.46mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Violet 1.8ct Amethyst (round cut, 8.34×8.34mm) 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
74% vs 50%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 6ct Amethyst Round (12.46×12.46mm, Violet) and 1.8ct Amethyst Round (8.34×8.34mm, Violet) 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.


6 Ct Amethyst (Round) 1.8 Ct Amethyst (Round)
12.46×12.46 mm vs 8.34×8.34 mm
121.93 mm²   54.63 mm²
Face-up size outline for 6ct Amethyst (12.46×12.46mm, round cut)
Face-up size outline for 1.8ct Amethyst (8.34×8.34mm, round cut)
6ct Amethyst Round (12.46×12.46mm)
1.8ct Amethyst Round (8.34×8.34mm)
Difference: 123% (67.3 mm²)
6ct Amethyst (Round, 12.46×12.46mm) has approx. 123% more face-up area than 1.8ct Amethyst (Round, 8.34×8.34mm). In other words, it's 2.23x larger.


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