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3.5 Carat Diaspore (Emerald, 10.23×7.58mm, Light Yellowish Green)

Color:
light yellowish green
actual size
3.5ct Diaspore displayed at actual size of 10.23×7.58mm, (Emerald cut, Light Yellowish Green
Actual size is set for screen


How big is a 3.5 carat emerald-cut Diaspore?

It depends on the cut parameters and length-to-width ratio, but a typical size of a 3.5ct emerald-cut Diaspore would be around 10.23×7.58 mm (±6%). The lw ratio of this Diaspore is 1.35. 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
Light Yellowish Green 3.5ct Diaspore (emerald cut) shown in real-world size of 10.23×7.58mm 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
45 %
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:
Emerald
Chemical Formula:
AlO(OH)
Crystal Structure:
Orthorhombic
Hardness:
6.5 - 7
Specific Gravity
3.4
Carat weight:
3.5 ct
Gram weight:
0.7 g (0.0247 ounces)
Points:
350 pts
Length:
10.23 mm
Width:
7.58 mm
Est. face-up size:
72.12 mm²
Volume:
205.88 mm³
Length-to-width ratio:
1.35
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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