4.07ct Oval Cabochon Blue Star Sapphire from Thailand, Dimension 10.2 x 8mm, Opaque Clarity, Natural diffused gemstone, 1pc Star Sapphire in Navy Blue Color, Mohs Hardness of 9 suitable for daily wear jewelry
This is a natural navy-blue Star Sapphire in the exact size of 10.18 x 8.02 x 4.47mm, its shape is oval cabochon. This gemstone is from Thailand and has a finished weight of 4.07ct. The clarity of this blue Star Sapphire is Opaque. This gemstone has been surface diffused to improve its appearance, it is a safe treatment. The Star Sapphire is sold as pictured: 1pc oval Star Sapphire for the price listed.
The Star Sapphire has a calibrated size of 10 X 8 mm which is perfect for standard jewelry settings.
Sapphires are used to symbolize faithfulness and fidelity in engagement rings.
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All gemstones are natural!
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What you see is what you get! Shipping actual items as pictured.
We offer certification from BGL Lab for USD 15.00 (3-4 additional days)
We offer certification from ICA Lab for USD 30.00 (8-12 additional days)
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