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22 Carat Hiddenite (Round, 18.08mm, Light Green )

Color:
light green
actual size
22ct Hiddenite displayed at actual size of 18.08×18.08mm, (Round cut, Light Green
Actual size is set for screen


How big is a 22 carat round-cut Hiddenite?

It depends on the cut proportions, but typically a 22ct round-cut Hiddenite would measure around 18.08 mm (±4%) in diameter. You can check the finger coverage in the simulator below. 
Ring:
Skin tone:
Ring width: 3.0 mm
Saved...
Finger image
Ring on finger
Light Green  22ct Hiddenite (round cut) shown in real-world size of 18.08×18.08mm 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
107 %
Saved...
Ring diameter: 16.9 mm
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Additional Info

Hiddenite is a yellowish-green or emerald-green variety of the Spodumene mineral family. It was named after its discoverer William Earl Hidden (1853–1918). Most valued gems are those of rich green color.

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

Gem Details

Name:
Hiddenite
Mineral Group:
Spodumene
Shape:
Round
Chemical Formula:
LiAlSi2O6
Crystal Structure:
Monoclinic
Hardness:
6.5 - 7
Specific Gravity
3.18
Carat weight:
22 ct
Gram weight:
4.4 g (0.1552 ounces)
Points:
2200 pts
Length:
18.08 mm
Width:
18.08 mm
Average diameter:
18.08 mm
Est. face-up size:
256.74 mm²
Volume:
1383.65 mm³
Length-to-width ratio:
1
Refractive Index:
1.66 - 1.68
Luster:
Vitreous
Wearability:
Very good
Care Instructions:
Avoid ultrasonic or steam cleaners
Color:
Hiddenite can be found in the following colors:
Color Light Yellowish GreenColor Yellowish GreenColor Light Green Color Green
Birthstone:
Hiddenite is not an official birthstone of any month

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