30 Carat Tourmaline (Asscher, 18.11×18.11mm, Purple)
Color:
Actual size is set for screen
How big is a 30 carat asscher-cut Tourmaline?
It depends on the cut parameters, but a typical size of a 30ct asscher-cut Tourmaline would be around 18.11×18.11 mm (±6%). You can check how big it looks on a ring and finger 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 |
108 % |
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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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Asscher |
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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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30 ct |
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Gram weight:
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6 g (0.2116 ounces) |
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Points:
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3000 pts |
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Length:
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18.11 mm |
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Width:
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18.11 mm |
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Est. face-up size:
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301.73 mm² |
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Volume:
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1960.78 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:
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)
- 1.16ct Diamond (Round, White, 6.82 x 6.85) vs. 1.2ct Diamond (Round, White, 6.82 x 6.86)
- 6ct Morganite (Cushion, Light Red, 12 x 10) vs. 3.5ct Sapphire (Cushion, Blue, 8.49 x 8.49)
- 1ct Alexandrite (Round, Bluish Green, 6.14 x 6.14) vs. 1ct Emerald (Emerald, Yellowish Green, 7.28 x 5.39)
- 1ct Sapphire (Baguette, Blue, 6.93 x 4.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Topaz (Round, Blue, 6 x 6) vs. 0.5ct Topaz (Round, Blue, 5 x 5)