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  1. Certified 2.70 Ct. Oval Shape Natural Blue Sapphire Gemstone From Madagascar

    Price:  $583.56

    Product ID: 806007477
    Product Name: Blue Sapphire
    Price : $583.56
    Weight: 2.70
    Jewelry Size: 8.18 x 6.98 x 5.13 Mm
    Shape: Oval
    Color: Blue
    Clarity: VSI
    Luster: Good
    Origin: Madagascar
    Treatment: Heated
    Crystal Structure: Trigonal
    Hardness: 9
    Specific Gravity: 3.9 - 4.1
    Refractive Index: 1.76 - 1.78
    Chemical: Al2O3, Aluminum Oxide
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