Cobalt Blue

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          7.42 ct “Cobalt Azure”_Unheated Blue Spinel

          , ,
          $37,800

          * Weight: 7.42 ct
          * Size: 12.6 × 10.4 × 6.5 mm
          * Cut: Brilliant Cushion
          * Color: Cobalt-Blue mirror-flash
          * Origin: Mahenge (Tanzania)
          * Treatment: None – Unheated

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