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13 Carat Tsavorite (Oval, 18.66×12.44mm, Green)

Color:
green
actual size
13ct Tsavorite displayed at actual size of 18.66×12.44mm, (Oval cut, Green
Actual size is set for screen


How big is a 13 carat oval-cut Tsavorite?

It depends on the cut parameters and length-to-width ratio, but a typical size of a 13ct oval-cut Tsavorite would be around 18.66×12.44 mm (±6%). The lw ratio of this Tsavorite is 1.5. 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
Green 13ct Tsavorite (oval cut) shown in real-world size of 18.66×12.44mm 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
74 %
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2

Additional Info

Tsavorite got named after the Tsavo National Park in Kenya, where it was first discovered in 1967. It gets its vivid green color from trace amounts of vanadium and chromium.

Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile

Gem Details

Name:
Tsavorite
Mineral Group:
Garnet
Shape:
Oval
Chemical Formula:
Ca3Cr2(SiO4)3
Crystal Structure:
Isometric
Hardness:
7.0 - 7.25
Specific Gravity
3.61
Carat weight:
13 ct
Gram weight:
2.6 g (0.0917 ounces)
Points:
1300 pts
Length:
18.66 mm
Width:
12.44 mm
Est. face-up size:
190.35 mm²
Volume:
720.22 mm³
Length-to-width ratio:
1.5
Refractive Index:
1.73 - 1.74
Luster:
Vitreous
Wearability:
Excellent
Care Instructions:
Avoid steam cleaners
Color:
Tsavorite can be found in the following colors:
Color Light Yellowish GreenColor Yellowish GreenColor Light Green Color Green
Birthstone:
Tsavorite is not an official birthstone of any month

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