10.51 ct Cushion Blue Sapphire, SSEF, Unheated
10.51 ct Blue Sapphire, cushion cut. Treatment: Unheated. SSEF report 147/416; Gubelin# 25060121. Measurements: 13.77 × 10.00 × 7.28 mm. Our grading: fine quality royal blue. Stock number CS-0069.
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