Georgina Rodríguez turned Venice into her personal jewelry runway -- and yes, she made sure to flash THE rock Cristiano Ronaldo gave her.
The recently engaged model walked the red carpet at the Venice International Film Festival in a beautiful black gown ... though the shine from her massive rings almost certainly grabbed the attention of everyone in attendance.
Check it out ... Rodriguez is sporting no less than four massive rings on her hands in these pics -- complimenting the jewelry with a choker and earrings.