his/her ring
Tom no se puede quitar su anillo del dedo.
Tom can't get his ring off his finger.
Su anillo se cayó a un río y se hundió hasta el fondo.
Her ring fell into a river and sank to the bottom.
No, a su anillo no le faltaba una piedra.
No, his ring was not missing a stone.
— Ace Ventura: Detective de Mascotas (1994)
Hasta el día de hoy, él todavía tiene su anillo.
To this day, he still has his ring.