The Queen's Diamond and Pearl Leaf Brooch

Chris Jackson/Getty Images Queen Elizabeth II's brooch collection is so vast that often pieces go unseen or unworn for years -- or even decades! Today's piece, her Diamond and Pearl Leaf Brooch, was one of

Kate Middleton radiates elegance with Queen Elizabeth's diamond

Kate Middleton's Royal Charm With Queen Elizabeth's Jewelry

Kate Middleton wears pearls and black veil to Queen's procession service

Camilla wears Queen Victoria's brooch to Queen's funeral

Royal procession heads to Westminster Hall as Queen lies in state • The Crown Chronicles

Queen's address to the nation: Her Majesty wears Queen Mary's

King Khalid diamond necklace to Canadian maple leaf brooch: When

Catherine, Princess of Wales and Meghan, Duchess of Sussex Mourn Queen Elizabeth II With Pearl Jewelry - Jassin Consulting Group

The Queen's Diamond Daffodil Brooch

Royalty Reproduction Queen Elizabeth II the Richmond Brooch

Did Queen Elizabeth send Donald Trump a royal message through her

10 of Queen Elizabeth's Best Brooches & Their Secret Meanings, in