22 Carat Tourmaline (Round, 18.32mm, Purple)
Color:
Actual size is set for screen
How big is a 22 carat round-cut Tourmaline?
It depends on the cut proportions, but typically a 22ct round-cut Tourmaline would measure around 18.32 mm (±4%) in diameter. You can check the finger coverage in the simulator below.
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
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Additional Info
Tourmaline has been a very popular gemstone since antiquity. It comes in a wide variety of colors, many times with two, or even three colors at once. It got its name from the Sinhalese word "turamali", which means "stone of mixed colors".
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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Tourmaline |
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Shape:
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Round |
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Chemical Formula:
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N/a |
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Crystal Structure:
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Hexagonal |
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Hardness:
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7 - 7.5 |
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Specific Gravity
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3.06 |
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Carat weight:
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22 ct |
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Gram weight:
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4.4 g (0.1552 ounces) |
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Points:
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2200 pts |
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Length:
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18.32 mm |
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Width:
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18.32 mm |
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Average diameter:
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18.32 mm |
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Est. face-up size:
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263.6 mm² |
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Volume:
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1437.91 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.616 - 1.650 |
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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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Tourmaline can be found in the following colors:
                               
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Birthstone:
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Tourmaline is a birthstone for the month of October |
Popular comparisons:
- 1ct Tourmaline (Round, Light Green , 6.51 x 6.51) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 2ct Tourmaline (Round, Violet, 8.2 x 8.2) vs. 2ct Tourmaline (Oval, Violet, 10.38 x 6.92)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 0.32ct Tourmaline (Round, Green, 4.45 x 4.45) vs. 0.3ct Sapphire (Round, Green, 4 x 4)
- 1.41ct Tourmaline (Round, Light Red, 7.3 x 7.3) vs. 1.58ct Tourmaline (Round, Light Red, 7.58 x 7.58)
- 0.3ct Tourmaline (Round, Violet, 4.36 x 4.36) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2ct Tourmaline (Round, Violet, 8.2 x 8.2) vs. 2ct Diamond (Round, White, 8.19 x 8.19)