6.5 Carat Kyanite (Trillion, 14.03×14.03mm, Blue)
Color:
Actual size is set for screen
How big is a 6.5 carat trillion-cut Kyanite?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 6.5ct trillion-cut Kyanite would be around 14.03×14.03 mm (±6%). Check how big it looks on a ring and finger.
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 |
84 % |
|
Saved...
|
|
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Ring diameter:
16.9 mm
|
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:
|
Kyanite |
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Shape:
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Trillion |
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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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6.5 ct |
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Gram weight:
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1.3 g (0.0459 ounces) |
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Points:
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650 pts |
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Length:
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14.03 mm |
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Width:
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14.03 mm |
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Est. face-up size:
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122.04 mm² |
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Volume:
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353.26 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:
- 1ct Kyanite (Trillion, Blue, 7.23 x 7.23) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Kyanite (Trillion, Blue, 8 x 8.3) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)
- 1.16ct Diamond (Round, White, 6.82 x 6.85) vs. 1.2ct Diamond (Round, White, 6.82 x 6.86)
- 6ct Morganite (Cushion, Light Red, 12 x 10) vs. 3.5ct Sapphire (Cushion, Blue, 8.49 x 8.49)
- 1ct Alexandrite (Round, Bluish Green, 6.14 x 6.14) vs. 1ct Emerald (Emerald, Yellowish Green, 7.28 x 5.39)