3ct Amethyst (Emerald, 10.57×7.83mm, Violet) vs 3ct Tourmaline (Emerald, 10.03×7.43mm, Violet)
Quick summary: When looked from above (face-up position), 3ct Amethyst (10.57×7.83mm, emerald cut) appears 11% larger than 3ct Tourmaline (10.03×7.43mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 3ct Amethyst (emerald cut) |
vs
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3ct Tourmaline (emerald cut) |
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violet |
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| 10.57×7.83 mm | 10.03×7.43 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
3ct Amethyst Emerald (10.57×7.83mm, Violet)
and
3ct Tourmaline Emerald (10.03×7.43mm, 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
All things being equal, Tourmaline will face-up smaller than Amethyst for a given
carat weight, because it has higher specific gravity
(3.06 vs. 2.65 - this means it's "heavier" compared to Amethyst of the same size). Face-up size also depends heavily on 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.
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 (Emerald) | 3 Ct Tourmaline (Emerald) | |
| 10.57×7.83 mm | vs | 10.03×7.43 mm |
| 76.97 mm² | 69.31 mm² |
| 3ct Amethyst Emerald (10.57×7.83mm) | |
| 3ct Tourmaline Emerald (10.03×7.43mm) | |
| Difference: 11% (7.66 mm²) |
3ct Amethyst (Emerald, 10.57×7.83mm) has approx. 11% more face-up area than 3ct Tourmaline (Emerald, 10.03×7.43mm).
Popular comparisons:
- 3ct Amethyst (Emerald, Violet, 10.57 x 7.83) vs. 3ct Diamond (Emerald, White, 9.64 x 7.14)
- 3ct Amethyst (Emerald, Violet, 10.57 x 7.83) vs. 3ct Aquamarine (Emerald, Light Blue, 10.5 x 7.78)
- 3ct Amethyst (Emerald, Violet, 10.57 x 7.83) vs. 3ct Alexandrite (Emerald, Bluish Green, 9.45 x 7)
- 3ct Amethyst (Emerald, Violet, 10.57 x 7.83) vs. 3ct Hiddenite (Emerald, Light Green , 9.94 x 7.36)
- 3ct Amethyst (Emerald, Violet, 10.57 x 7.83) vs. 3ct Kunzite (Emerald, Light Purple, 9.94 x 7.36)
- 3ct Amethyst (Emerald, Violet, 10.57 x 7.83) vs. 3ct Peridot (Emerald, Yellowish Green, 9.77 x 7.24)
- 3ct Amethyst (Emerald, Violet, 10.57 x 7.83) vs. 3ct Ruby (Emerald, Red, 9.21 x 6.82)
- 3ct Amethyst (Emerald, Violet, 10.57 x 7.83) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)