36 Carat Amethyst (Marquise, 36.82×18.41mm, Violet)
Color:
Actual size is set for screen
How big is a 36 carat marquise-cut Amethyst?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 36ct marquise-cut Amethyst would be around 36.82×18.41 mm (±6%). The lw ratio of this Amethyst is 2. 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 |
109 % |
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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
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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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Marquise |
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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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36 ct |
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Gram weight:
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7.2 g (0.254 ounces) |
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Points:
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3600 pts |
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Length:
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36.82 mm |
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Width:
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18.41 mm |
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Est. face-up size:
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481.28 mm² |
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Volume:
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2716.98 mm³ |
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Length-to-width ratio:
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2 |
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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 (Marquise, Violet, 11.32 x 5.66) vs. 1ct Tanzanite (Marquise, Blue, 10.52 x 5.26)
- 1.7ct Amethyst (Marquise, Violet, 13.52 x 6.76) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 10.55ct Amethyst (Marquise, Violet, 24.84 x 12.42) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 3ct Amethyst (Marquise, Violet, 16.32 x 8.16) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Amethyst (Marquise, Violet, 11.32 x 5.66) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.5ct Amethyst (Marquise, Violet, 8.98 x 4.49) vs. 0.06ct Diamond (Baguette, White, 2.84 x 1.89)
- 1ct Amethyst (Marquise, Dark Violet, 11.32 x 5.66) vs. 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04)
- 1.52ct Amethyst (Marquise, Violet, 13.02 x 6.51) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)