18ct white gold tanzanite and diamond cushion drop necklace this necklace is made up of an 18ct white gold claw mount set with a cushion cut tanzanite surrounded by pave set diamonds and bail the item comes complete with the 18ct white gold chain the central stone measures 10mm x 10mm and the pendant itself measures 29mm in length and 14mm in width at its widest point trilliant cut tanzanite 385ct diamonds 036ct pd01 18wh 032 pw0475tz