18ct white gold, sapphire, tourmaline, diamond and Australian South Sea pearl ring, Autore, of bombe design centring a 13.00 mm cultured pearl surmounted above an openwork surround decorated with marquise-shaped sapphires, circular-cut Paraiba tourmaline and diamonds, the diamonds together stated to weigh 1.58 carats, size O1/2, signed Autore, accompanied by an Autore certificate of authenticity and pouch.