10.02 ct Cobalt Blue Spinel

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          10.02 ct “Cobalt Blue”_Unheated Tanzania Blue Spinel_ Perfect Octagon Step-Cut

          , ,
          $35,000

          * Weight: 10.02 ct
          * Size: 14.5 × 11 × 7.3 mm
          * Cut: Perfect Octagon Step-Cut
          * Colour: Cobalt-Blue
          * Origin:  Tanzania
          * ⁠Clarity: VVs
          * Treatment: None – Unheated

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