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10 Carat Alexandrite Cushion (12.36×12.36mm, Bluish Green)

Color:
bluish green
actual size
10ct Alexandrite displayed at actual size of 12.36×12.36mm, (Cushion cut, Bluish Green
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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
Bluish Green 10ct Alexandrite (cushion cut) shown in real-world size of 12.36×12.36mm 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 %
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Ring diameter: 16.9 mm
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Additional Info

Named after Czar Alexander II (1818-1881) Alexandrite is a rare and valuable color-change variety of chrysoberyl. Alexandrite possesses a surprising ability to change color - from green or bluish-green in daylight, it transforms to purplish or raspberry red in incandescent light.

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

Gem Details

Name:
Alexandrite
Mineral Group:
Chrysoberyl
Shape:
Cushion
Chemical Formula:
BeAl2O4
Crystal Structure:
Orthorhombic
Hardness:
8.5
Specific Gravity
3.73
Carat weight:
10 ct
Gram weight:
2 g (0.0705 ounces)
Points:
1000 pts
Length:
12.36 mm
Width:
12.36 mm
Est. face-up size:
137.49 mm²
Volume:
536.19 mm³
Length-to-width ratio:
1
Refractive Index:
1.744 - 1.755
Luster:
Vitreous
Wearability:
Durable gem for daily wear
Care Instructions:
No special or unusual care
Color:
Alexandrite can be found in the following colors:
Color RedColor Dark RedColor Light BrownColor BrownColor Dark BrownColor Light Yellowish GreenColor Yellowish GreenColor Dark Yellowish GreenColor Light Green Color GreenColor Dark GreenColor Light Bluish GreenColor Bluish GreenColor Dark Bluish GreenColor Light VioletColor VioletColor Dark VioletColor Light PurpleColor PurpleColor Dark Purple
Birthstone:
Alexandrite is a birthstone for the month of June

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