1 Ct Amethyst (Cushion) |
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1 Ct Quartz (Round) |
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purple |
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| 6.41×6.41 mm | 6.86×6.86 mm | |
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Actual size is set for screen
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64 mm |
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Actual sizes of
1ct Amethyst Cushion (6.41×6.41mm, Purple)
and
1ct Quartz 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 Amethyst or Quartz check what Amazon has to offer. You'll usually find quite a selection from many different vendors. Worth a check. For other high quality gemstones (Rubies, Saphhires, Emeralds) and especially Diamonds, I highly recommend JamesAllen.
Face-up Size
Amethyst and Quartz 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 Amethyst (Cushion) | 1 Ct Quartz (Round) | |
| 6.41×6.41 mm | vs | 6.86×6.86 mm |
| 36.98 mm² | 36.96 mm² |
| 1ct Amethyst Cushion (6.41×6.41mm) | |
| 1ct Quartz Round (6.86×6.86mm) | |
| Difference: 0.1% (0.02 mm²) |
1ct Amethyst Cushion (6.41×6.41mm) has approx. 0.1% more face-up area than 1ct Quartz Round (6.86×6.86mm).
Popular comparisons:
- 1ct Amethyst (Cushion, Purple, 6.41 x 6.41) vs. 1ct Quartz (Round, Yellowish Green, 6.86 x 6.86)
- 2ct Amethyst (Cushion, Violet, 8 x 8) vs. 2ct Diamond (Cushion, White, 7.34 x 7.34)
- 1.35ct Amethyst (Cushion, Violet, 7.09 x 7.09) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 26ct Amethyst (Cushion, Violet, 19 x 19) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 35ct Amethyst (Cushion, Violet, 20.98 x 20.98) vs. 1ct Ruby (Round, Red, 5.98 x 5.98)
- 1ct Amethyst (Cushion, Violet, 6.41 x 6.41) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 24ct Amethyst (Cushion, Violet, 18.5 x 18.5) vs. 24ct Amethyst (Cushion, Violet, 18.5 x 18.5)
- 1ct Amethyst (Cushion, Violet, 6.41 x 6.41) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2ct Amethyst (Cushion, Violet, 8.08 x 8.08) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
Enter your screen size (diagonal)
My screen size is
inches
Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.