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4.25 Carat Diaspore Emerald (12×9mm, Light Yellowish Green)

Color:
light yellowish green
actual size
4.25ct Diaspore displayed at actual size of 12×9mm, (Emerald cut, Light Yellowish 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
Light Yellowish Green 4.25ct Diaspore (emerald cut) shown in real-world size of 12×9mm 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
 54 %
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Ring diameter: 16.9 mm
USA UK Asia EU1 EU2

Additional Info

Diaspore is quite rare color-changing gemstone mined only in the remote location in Turkey's Anatolian Mountains. It appears yellowish-green to light green in daylight, changing to pinkish hues in incandescent lighting.

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

Gem Details

Name:
Diaspore
Shape:
Emerald
Chemical Formula:
AlO(OH)
Crystal Structure:
Orthorhombic
Hardness:
6.5 - 7
Specific Gravity
3.4
Carat weight:
4.25 ct
Gram weight:
0.85 g (0.03 ounces)
Points:
425 pts
Length:
12 mm
Width:
9 mm
Est. face-up size:
100.44 mm²
Volume:
250 mm³
Length-to-width ratio:
1.33
Refractive Index:
1.70 - 1.75
Luster:
Vitreous
Wearability:
Good
Care Instructions:
Relatively good hardness, but can be brittle
Color:
Diaspore can be found in the following colors:
Color Light RedColor RedColor Dark RedColor Light OrangeColor Light BrownColor BrownColor Light YellowColor Light Yellowish GreenColor Yellowish GreenColor Light Green Color Light VioletColor Light Purple
Birthstone:
Diaspore is not an official birthstone of any month

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