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1 Carat Tourmaline (Marquise, 10.64×5.32mm, Purple)

Color:
purple
actual size
1ct Tourmaline displayed at actual size of 10.64×5.32mm, (Marquise cut, Purple
Actual size is set for screen


How big is a 1 carat marquise-cut Tourmaline?

It depends on the cut parameters and length-to-width ratio, but a typical size of a 1ct marquise-cut Tourmaline would be around 10.64×5.32 mm (±6%). The lw ratio of this Tourmaline is 2. See below how big it looks on a ring and finger. 
Ring:
Skin tone:
Ring width: 3.0 mm
Saved...
Finger image
Ring on finger
Purple 1ct Tourmaline (marquise cut) shown in real-world size of 10.64×5.32mm 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
32 %
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2

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:
Marquise
Chemical Formula:
N/a
Crystal Structure:
Hexagonal
Hardness:
7 - 7.5
Specific Gravity
3.06
Carat weight:
1 ct
Gram weight:
0.2 g (0.0071 ounces)
Points:
100 pts
Length:
10.64 mm
Width:
5.32 mm
Est. face-up size:
40.19 mm²
Volume:
65.36 mm³
Length-to-width ratio:
2
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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