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1ct Quartz (Round, 6.86×6.86mm, Orangey Red) vs 1ct Amethyst (Round, 6.86×6.86mm, Violet)


Quick summary: Compared gemstones have equal face-up area.

1ct Quartz (round cut)
vs
 1ct Amethyst (round cut)
orangey red
 
violet
6.86×6.86 mm 6.86×6.86 mm
actual size
Actual size of 1ct Quartz (round cut, 6.86×6.86mm, Orangey Red color)   Actual size of 1ct Amethyst (round cut, 6.86×6.86mm, Violet color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Orangey Red 1ct Quartz (round cut, 6.86×6.86mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Violet 1ct Amethyst (round cut, 6.86×6.86mm) 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
 41% vs 41%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1ct Quartz Round (6.86×6.86mm, Orangey Red) and 1ct Amethyst Round (6.86×6.86mm, 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

Quartz and Amethyst have the same specific gravity so their face-up size depends on the weight, shape and 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.


1 Ct Quartz (Round) 1 Ct Amethyst (Round)
6.86×6.86 mm vs 6.86×6.86 mm
36.96 mm²   36.96 mm²
Face-up size outline for true size of 6.86×6.86mm
1ct Quartz Round (6.86×6.86mm)
1ct Amethyst Round (6.86×6.86mm)
Difference: 0% (0 mm²)
1ct Quartz (Round, 6.86×6.86mm) and 1ct Amethyst (Round, 6.86×6.86mm) have the same face-up area.


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