1ct Amethyst (Emerald, 7.33×5.43mm, Dark Violet) vs 1ct Tanzanite (Emerald, 6.8×5.04mm, Blue)
Quick summary: When looked from above (face-up position), 1ct Amethyst (7.33×5.43mm, emerald cut) appears 16% larger than 1ct Tanzanite (6.8×5.04mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 1ct Amethyst (emerald cut) |
vs
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1ct Tanzanite (emerald cut) |
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dark violet |
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| 7.33×5.43 mm | 6.8×5.04 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
1ct Amethyst Emerald (7.33×5.43mm, Dark Violet)
and
1ct Tanzanite Emerald (6.8×5.04mm, Blue)
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, Tanzanite will face-up smaller than Amethyst for a given
carat weight, because it has higher specific gravity
(3.35 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 (Emerald) | 1 Ct Tanzanite (Emerald) | |
| 7.33×5.43 mm | vs | 6.8×5.04 mm |
| 37.02 mm² | 31.87 mm² |
| 1ct Amethyst Emerald (7.33×5.43mm) | |
| 1ct Tanzanite Emerald (6.8×5.04mm) | |
| Difference: 16% (5.15 mm²) |
1ct Amethyst (Emerald, 7.33×5.43mm) has approx. 16% more face-up area than 1ct Tanzanite (Emerald, 6.8×5.04mm).
Popular comparisons:
- 1ct Amethyst (Emerald, Dark Violet, 7.33 x 5.43) vs. 1ct Sapphire (Emerald, Blue, 6.39 x 4.73)
- 15ct Amethyst (Emerald, Violet, 18.06 x 13.38) vs. 20ct Citrine (Cushion, Yellow, 17.41 x 17.41)
- 40ct Amethyst (Emerald, Violet, 25.06 x 18.56) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2ct Amethyst (Emerald, Violet, 9.23 x 6.84) vs. 2ct Diamond (Emerald, White, 8.42 x 6.24)
- 23ct Amethyst (Emerald, Light Purple, 20.08 x 16.15) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 9.5ct Amethyst (Emerald, Violet, 15.51 x 11.49) vs. 4ct Diamond (Cushion, White, 9.25 x 9.25)
- 15ct Amethyst (Emerald, Violet, 18.06 x 13.38) vs. 20ct Citrine (Cushion, Light Yellow, 17.41 x 17.41)
- 1.5ct Amethyst (Emerald, Dark Violet, 8 x 6) vs. 2.62ct Sapphire (Cushion, Dark Yellowish Green, 9.08 x 7.09)