Princess Diana's Ring is a stunning piece of jewelry that features a large blue sapphire surrounded by diamonds. The ring was originally designed in 1981 when Prince Charles proposed to Diana Spencer. Its unique design and vibrant color made it a symbol of her royal status. After Diana's passing in 1997, the ring became associated with her legacy. In 2010, it was given to Prince William, who presented it to Catherine Middleton when he proposed. Today, the ring is cherished not only for its beauty but also for its connection to the beloved princess.