30 Carat Hiddenite (Round, 20.05mm, Light Green )
Color:
Actual size is set for screen
How big is a 30 carat round-cut Hiddenite?
It depends on the cut proportions, but typically a 30ct round-cut Hiddenite would measure around 20.05 mm (±4%) in diameter. You can check the finger coverage in the simulator below.
Ring:
Skin tone:
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Ring width:
3.0 mm
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Saved...
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 |
119 % |
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Saved...
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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
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Name:
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Hiddenite |
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Mineral Group:
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Spodumene |
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Shape:
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Round |
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Chemical Formula:
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LiAlSi2O6 |
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Crystal Structure:
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Monoclinic |
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Hardness:
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6.5 - 7 |
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Specific Gravity
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3.18 |
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Carat weight:
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30 ct |
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Gram weight:
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6 g (0.2116 ounces) |
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Points:
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3000 pts |
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Length:
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20.05 mm |
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Width:
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20.05 mm |
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Average diameter:
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20.05 mm |
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Est. face-up size:
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315.73 mm² |
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Volume:
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1886.79 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.66 - 1.68 |
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Luster:
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Vitreous |
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Wearability:
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Very good |
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Care Instructions:
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Avoid ultrasonic or steam cleaners |
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Color:
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Hiddenite can be found in the following colors:
  
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Birthstone:
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Hiddenite is not an official birthstone of any month |
Popular comparisons:
- 1ct Hiddenite (Round, Light Green , 6.45 x 6.45) vs. 1ct Emerald (Round, Green, 6.8 x 6.8)
- 40ct Hiddenite (Round, Light Green , 22.07 x 22.07) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 5.55ct Hiddenite (Round, Light Green , 11.43 x 11.43) vs. 4.45ct Topaz (Round, Orangey Red, 10.25 x 10.25)
- 1ct Hiddenite (Round, Light Green , 6.45 x 6.45) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)
- 8ct Hiddenite (Round, Light Green , 12.91 x 12.91) vs. 5ct Diamond (Round, White, 11.11 x 11.11)
- 3ct Hiddenite (Round, Light Green , 9.31 x 9.31) vs. 5ct Ruby (Round, Red, 10.22 x 10.22)
- 1ct Hiddenite (Round, Light Green , 6.45 x 6.45) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 10ct Hiddenite (Round, Green, 13.9 x 13.9) vs. 10ct Emerald (Marquise, Green, 24.24 x 12.12)