1ct Amethyst (Oval, 9×7mm, Violet) vs 1ct Tourmaline (Oval, 8×6mm, Violet)
Quick summary: When looked from above (face-up position), 1ct Amethyst (9×7mm, oval cut) appears 31% larger than 1ct Tourmaline (8×6mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 1ct Amethyst (oval cut) |
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1ct Tourmaline (oval cut) |
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violet |
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| 9×7 mm | 8×6 mm | |
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Actual sizes of
1ct Amethyst Oval (9×7mm, Violet)
and
1ct Tourmaline Oval (8×6mm, 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
(3.1 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.
| 1 Ct Amethyst (Oval) | 1 Ct Tourmaline (Oval) | |
| 9×7 mm | vs | 8×6 mm |
| 51.66 mm² | 39.36 mm² |
| 1ct Amethyst Oval (9×7mm) | |
| 1ct Tourmaline Oval (8×6mm) | |
| Difference: 31% (12.3 mm²) |
1ct Amethyst Oval (9×7mm) has approx. 31% more face-up area than 1ct Tourmaline Oval (8×6mm).
Popular comparisons:
- 1ct Amethyst (Oval, Violet, 9 x 7) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Amethyst (Oval, Violet, 9 x 7) vs. 1ct Diamond (Oval, White, 8.12 x 5.41)
- 1ct Amethyst (Oval, Violet, 9 x 7) vs. 1ct Ruby (Oval, Red, 7.56 x 5.04)
- 1ct Amethyst (Oval, Dark Violet, 8.67 x 5.78) vs. 1ct Diamond (Oval, White, 8.12 x 5.41)
- 2.5ct Amethyst (Oval, Violet, 11.78 x 7.85) vs. 2.5ct Amethyst (Round, Violet, 9.31 x 9.31)
- 0.2ct Amethyst (Oval, Purple, 5.07 x 3.38) vs. 0.3ct Amethyst (Oval, Purple, 5.81 x 3.87)
- 9.5ct Amethyst (Oval, Violet, 17 x 13) vs. 4ct Diamond (Cushion, White, 9.25 x 9.25)
- 6ct Amethyst (Oval, Violet, 15.77 x 10.51) vs. 7.5ct Ruby (Oval, Red, 14.81 x 9.87)
Enter your screen size (diagonal)
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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.