EXEPTIONAL size greenish blue paraiba tourmaline with GIA Certificate. Details of the stone: Species: Tourmaline Variety: Paraiba Tourmaline Weight: 41.82 cts Measurements: 21.02 mm x 19.02 mm x 12.99 mm Color: greenish blue Transparency: Transparent to Semitransparent Cut: Cushion Cut Grade : very good Clarity: (if mentioned on report) Treatment indication of treatment Laboratory report/number: 1508725105 Shipping method: (insured shipping advised)