A recent shoujo manga of a knight who in his drunken despair throws an engagement ring randomly to choose a fiancee to end with the countless hundreds of proposals coming his way and an Earls daughter who ended up being'chosen' by the ring. https://mangadex.org/title/37957/fiancee-be-chosen-by-the-ring
My first though on reading the title was One Ring to rule them all, One Ring to find them, One Ring to bring them all. and in the darkness bind them