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3ct Amethyst (Oval, 12.51×8.34mm, Violet) vs 3.5ct Amethyst (Oval, 13.17×8.78mm, Violet)


Quick summary: When looked from above (face-up position), 3.5ct Amethyst (13.17×8.78mm, oval cut) appears 11% larger than 3ct Amethyst (12.51×8.34mm, oval cut). See below how they compare side-by-side on a ring and finger.

3ct Amethyst (oval cut)
vs
 3.5ct Amethyst (oval cut)
violet
 
violet
12.51×8.34 mm 13.17×8.78 mm
actual size
Actual size of 3ct Amethyst (oval cut, 12.51×8.34mm, Violet color)   Actual size of 3.5ct Amethyst (oval cut, 13.17×8.78mm, Violet color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Violet 3ct Amethyst (oval cut, 12.51×8.34mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Violet 3.5ct Amethyst (oval cut, 13.17×8.78mm) 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
 50% vs 52%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 3ct Amethyst Oval (12.51×8.34mm, Violet) and 3.5ct Amethyst Oval (13.17×8.78mm, 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 Ct Amethyst (Oval) 3.5 Ct Amethyst (Oval)
12.51×8.34 mm vs 13.17×8.78 mm
85.55 mm²   94.82 mm²
Face-up size outline for 3.5ct Amethyst (13.17×8.78mm, oval cut)
Face-up size outline for 3ct Amethyst (12.51×8.34mm, oval cut)
3ct Amethyst Oval (12.51×8.34mm)
3.5ct Amethyst Oval (13.17×8.78mm)
Difference: 11% (9.27 mm²)
3.5ct Amethyst (Oval, 13.17×8.78mm) has approx. 11% more face-up area than 3ct Amethyst (Oval, 12.51×8.34mm).


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