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4 Carat Tourmaline Oval (13.07×8.71mm, Violet)

Color:
violet
actual size
4ct Tourmaline displayed at actual size of 13.07×8.71mm, (Oval cut, Violet
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Actual size is set for screen
Ring:
Skin tone:
Ring width: 3.0 mm
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Finger image
Ring on finger
Violet 4ct Tourmaline (oval cut) shown in real-world size of 13.07×8.71mm on a ring and finger
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
 52 %
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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

Name:
Tourmaline
Shape:
Oval
Chemical Formula:
N/a
Crystal Structure:
Hexagonal
Hardness:
7 - 7.5
Specific Gravity
3.06
Carat weight:
4 ct
Gram weight:
0.8 g (0.0282 ounces)
Points:
400 pts
Length:
13.07 mm
Width:
8.71 mm
Est. face-up size:
93.35 mm²
Volume:
261.44 mm³
Length-to-width ratio:
1.5
Refractive Index:
1.616 - 1.650
Luster:
Vitreous
Wearability:
Very good
Care Instructions:
No special or unusual care
Color:
Tourmaline can be found in the following colors:
Color WhiteColor Light RedColor RedColor Dark RedColor Orangey RedColor Light OrangeColor OrangeColor Light BrownColor BrownColor Dark BrownColor Light YellowColor YellowColor Light Yellowish GreenColor Yellowish GreenColor Dark Yellowish GreenColor Light Green Color GreenColor Dark GreenColor Light Bluish GreenColor Bluish GreenColor Dark Bluish GreenColor Light BlueColor BlueColor Dark BlueColor Light VioletColor VioletColor Dark VioletColor Light PurpleColor PurpleColor Dark PurpleColor Light GrayColor GrayColor Black
Birthstone:
Tourmaline is a birthstone for the month of October

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