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3 Carat Diaspore Round (9.1×9.1mm, Dark Red)

Color:
dark red
actual size
3ct Diaspore displayed at actual size of 9.1×9.1mm, (Round cut, Dark Red
Actual size is set for screen
Ring:
Skin tone:
Ring width: 3.0 mm
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Finger image
Ring on finger
Dark Red 3ct Diaspore (round cut) shown in real-world size of 9.1×9.1mm 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 %
Saved...
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:
Round
Chemical Formula:
AlO(OH)
Crystal Structure:
Orthorhombic
Hardness:
6.5 - 7
Specific Gravity
3.4
Carat weight:
3 ct
Gram weight:
0.6 g (0.0212 ounces)
Points:
300 pts
Length:
9.1 mm
Width:
9.1 mm
Average diameter:
9.1 mm
Est. face-up size:
65.04 mm²
Volume:
176.47 mm³
Length-to-width ratio:
1
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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