The Princess of Wales wore a bright red bow-trimmed dress, pillbox hat and some meaningful jewelry for the annual celebration ...

Dressed in an elegant all-black ensemble, the princess subtly conveyed her support through her jewelry. She wore Queen Elizabeth's Bahrain Pearl Drop Earrings, Princess Diana's tri-strand pearl ...

The dazzling design was also loved by Princess Diana and she wore the necklace during one of her very first engagements as a royal. Queen Elizabeth commissioned the Four-strand pearl and diamond ...