3 Carat Amethyst (Emerald, 10.57×7.83mm, Violet)
Color:
Actual size is set for screen
How big is a 3 carat emerald-cut Amethyst?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 3ct emerald-cut Amethyst would be around 10.57×7.83 mm (±6%). The lw ratio of this Amethyst is 1.35. See below how big it looks on a ring and finger.
Ring:
Skin tone:
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Ring width:
3.0 mm
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Saved...
64 mm
| Your settings | |
|---|---|
Ring |
Gold |
Skin tone |
Light |
Ring diameter |
16.9 mm |
Ring width |
3.0 mm |
Finger length |
64 mm |
Finger coverage |
47 % |
|
Saved...
|
|
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Ring diameter:
16.9 mm
|
Additional Info
Amethyst is a purple variety of quartz and a very popular and affordable gem. Its name originates from the Greek word amethystos which means "not drunken". Ancient Greeks believed it could prevent intoxication. Amethyst is considered the most valuable of quartz gemstones.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
|
Name:
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Amethyst |
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Mineral Group:
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Quartz |
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Shape:
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Emerald |
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Chemical Formula:
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SiO2 |
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Crystal Structure:
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Hexagonal |
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Hardness:
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7 |
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Specific Gravity
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2.65 |
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Carat weight:
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3 ct |
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Gram weight:
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0.6 g (0.0212 ounces) |
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Points:
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300 pts |
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Length:
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10.57 mm |
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Width:
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7.83 mm |
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Est. face-up size:
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76.97 mm² |
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Volume:
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226.42 mm³ |
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Length-to-width ratio:
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1.35 |
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Refractive Index:
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1.54 - 1.55 |
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Luster:
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Vitreous |
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Wearability:
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Very good |
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Care Instructions:
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No special or unusual care |
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Color:
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Amethyst can be found in the following colors:
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Birthstone:
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Amethyst is a birthstone for the month of February |
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. 3ct Tourmaline (Emerald, Violet, 10.03 x 7.43)



