The oval-set stone, deep blue in colour, was framed by exquisite filigree: thin gold wires twisted and soldered into spirals, accented with tiny granulated beads.Although the blue "stone" is likely coloured glass rather than sapphire, such materials were prized for their symbolic power -- believed to cool inner heat, preserve chastity, and confer divine protection.With its rich decoration and small size, experts believe the ring once belonged to a woman of high status.The discovery was made during extensive excavations in the Norwegian city of Tønsberg, specifically in Prestegaten and its surrounding streets, where archaeologists from the Norwegian Institute for Cultural...