7.5mm Round Cabochon Blue Star Sapphire from Thailand, Weight of 2.63ct, Natural diffused gemstone in Opaque Clarity, 1pc Star Sapphire - the Color is Dark Blue, Mohs Hardness of 9 suitable for daily wear jewelry
This is a natural dark-blue Star Sapphire in the exact size of 7.47mm, its shape is round cabochon. The gemstone weight is 2.63ct and it was mined in Thailand. The clarity of this blue Star Sapphire is Opaque. Surface diffusion has been applied to this gemstone; it is a safe treatment and only used to improve its appearance. The item is sold as seen in the picture: 1 piece blue Star Sapphire for the price listed.
The Star Sapphire has a calibrated size of 7.5 mm which is perfect for standard jewelry settings.
Sapphires are most strongly linked with the Taurus zodiac sign.
Blue Sapphires can help unblock the Throat Chakra.
This is a good size for a center-stone in a ring design.
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All gemstones are natural!
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Diffusion treatment involves heating a gemstone with one or more chemicals. Surface diffusion affects mainly the surface of the gem, while lattice diffusion penetrates the crystal lattice. Many star sapphires are diffusion treated with rutile to improve the star. More about treatments