17 Carat Kyanite (Round, 15.81mm, Blue)
Color:
Actual size is set for screen
How big is a 17 carat round-cut Kyanite?
It depends on the cut proportions, but typically a 17ct round-cut Kyanite would measure around 15.81 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 |
94 % |
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Saved...
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Ring diameter:
16.9 mm
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Additional Info
Kyanite got its name from the Greek word "kyanos", which simply means "blue". Gems with intense sapphire blue color are the most valuable. One peculiarity about Kyanite is that depending on crystallographic direction, it has two different hardnesses (7 and 4.5).
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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Kyanite |
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Shape:
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Round |
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Chemical Formula:
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Al2SiO5 |
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Crystal Structure:
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Triclinic |
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Hardness:
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4.5-7 |
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Specific Gravity
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3.68 |
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Carat weight:
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17 ct |
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Gram weight:
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3.4 g (0.1199 ounces) |
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Points:
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1700 pts |
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Length:
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15.81 mm |
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Width:
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15.81 mm |
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Average diameter:
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15.81 mm |
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Est. face-up size:
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196.32 mm² |
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Volume:
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923.91 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.710 - 1.735 |
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Luster:
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Vitreous,Pearly |
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Wearability:
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Very good |
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Care Instructions:
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Should be treated gently |
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Color:
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Kyanite can be found in the following colors:
    
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Birthstone:
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Kyanite is not an official birthstone of any month |
Popular comparisons:
- 15ct Kyanite (Round, Blue, 15.16 x 15.16) vs. 15ct Diamond (Round, White, 16.03 x 16.03)
- 1ct Kyanite (Round, Blue, 6.15 x 6.15) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2ct Kyanite (Round, Blue, 7.74 x 7.74) vs. 1.83ct Diamond (Round, White, 7.95 x 7.95)
- 1ct Kyanite (Round, Blue, 6.15 x 6.15) vs. 1ct Benitoite (Emerald, Blue, 6.59 x 4.88)
- 1ct Kyanite (Round, Blue, 6 x 6) vs. 1ct Tanzanite (Round, Blue, 6 x 6)
- 2.5ct Kyanite (Round, Blue, 8.34 x 8.34) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 15ct Kyanite (Round, Blue, 15.16 x 15.16) vs. 15ct Diamond (Emerald, White, 16.48 x 12.21)
- 1ct Kyanite (Round, Blue, 6.15 x 6.15) vs. 1ct Emerald (Emerald, Green, 7.26 x 5.38)