4 Carat Amethyst (Baguette, 12.62×8.41mm, Violet)
Color:
Actual size is set for screen
How big is a 4 carat baguette-cut Amethyst?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 4ct baguette-cut Amethyst would be around 12.62×8.41 mm (±6%). The lw ratio of this Amethyst is 1.5. 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 |
50 % |
|
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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Baguette |
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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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4 ct |
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Gram weight:
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0.8 g (0.0282 ounces) |
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Points:
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400 pts |
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Length:
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12.62 mm |
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Width:
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8.41 mm |
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Est. face-up size:
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106.13 mm² |
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Volume:
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301.89 mm³ |
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Length-to-width ratio:
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1.5 |
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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:
- 1ct Amethyst (Baguette, Violet, 7.95 x 5.3) vs. 1ct Aquamarine (Trillion, Light Blue, 8.01 x 8.01)
- 1.4ct Amethyst (Baguette, Violet, 8.9 x 5.93) vs. 1.4ct Topaz (Baguette, Blue, 8.09 x 5.39)
- 1ct Amethyst (Baguette, Dark Violet, 7.95 x 5.3) vs. 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04)
- 1ct Amethyst (Baguette, Light Violet, 8.49 x 6.03) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 3ct Amethyst (Baguette, Violet, 11.46 x 7.64) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4.67ct Amethyst (Baguette, Violet, 13.29 x 8.86) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 40ct Amethyst (Baguette, Violet, 27.2 x 18.13) vs. 40ct Aquamarine (Cushion, Light Blue, 21.8 x 21.8)
- 2ct Amethyst (Baguette, Violet, 10.02 x 6.68) vs. 0.12ct Emerald (Emerald, Green, 3.59 x 2.66)



