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3.5ct Amethyst (Cabochon, 11.93×7.95mm, Violet) vs 0.36ct Amethyst (Round, 4.88×4.88mm, Violet)


Quick summary: When looked from above (face-up position), 3.5ct Amethyst (11.93×7.95mm, cabochon cut) appears 4.2 times larger than 0.36ct Amethyst (4.88×4.88mm, round cut). See below how they compare side-by-side on a ring and finger.

3.5ct Amethyst (cabochon cut)
vs
 0.36ct Amethyst (round cut)
violet
 
violet
11.93×7.95 mm 4.88×4.88 mm
actual size
Actual size of 3.5ct Amethyst (cabochon cut, 11.93×7.95mm, Violet color)   Actual size of 0.36ct Amethyst (round cut, 4.88×4.88mm, Violet color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Violet 3.5ct Amethyst (cabochon cut, 11.93×7.95mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Violet 0.36ct Amethyst (round cut, 4.88×4.88mm) 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
 48% vs 29%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 3.5ct Amethyst Cabochon (11.93×7.95mm, Violet) and 0.36ct Amethyst Round (4.88×4.88mm, 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.


3.5 Ct Amethyst (Cabochon) 0.36 Ct Amethyst (Round)
11.93×7.95 mm vs 4.88×4.88 mm
77.77 mm²   18.7 mm²
Face-up size outline for 3.5ct Amethyst (11.93×7.95mm, cabochon cut)
Face-up size outline for 0.36ct Amethyst (4.88×4.88mm, round cut)
3.5ct Amethyst Cabochon (11.93×7.95mm)
0.36ct Amethyst Round (4.88×4.88mm)
Difference: 316% (59.07 mm²)
3.5ct Amethyst (Cabochon, 11.93×7.95mm) has approx. 316% more face-up area than 0.36ct Amethyst (Round, 4.88×4.88mm). In other words, it's 4.16x larger.


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