Stone: Natural Sapphire with GHI certificate, 1 piece Average weight: 1.34 ct; color Blue; clarity SI; luster Excellent Cut: Oval; dimensions 7.15 x 5.77 x 3.45 mm Origin: Africa; hardness 9; density 3.9–4.1 Refractive index: 1.76–1.78; treatment: Not Heated Reference: 20121756A; quantity: 1 piece .
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