July 1996: Albus Dumbledore destroys Marvolo Gaunt's ring with Godric Gryffindor's sword in his headmaster's office.

How does Dumbledore destroy the ring?

Horcrux information

The ring passed through the male Gaunts, generation to generation, until it was stolen from Morfin Gaunt by Tom Riddle, while Tom framed Morfin for the murders of the Riddle family. ... In 1996, Albus Dumbledore retrieved the ring, eventually destroying it with Godric Gryffindor's Sword.

Do we see Dumbledore destroy the ring in the movie?

We forget what happens in the books, does Dumbledore destroy it or does Harry in the Deathly Hallows? They don't actually destroy the stone. The ring itself was a horcrux, and Dumbledore destroyed it. The stone that was in the ring was passed on to Harry in the Snitch that Dumbledore gave him.