Princess Diana

Diana had a penchant for aquamarines, which she had set in rings, bracelets, and earrings—like the fabulous diamond drop earrings she paired with a Catherine Walker gown and the Spencer tiara here for a banquet in Munich in 1987.

Source: Why Princess Diana's Jewelry Collection Is So Iconic

Source: what-was-princess-dianas-favorite-flower-find-out-how-the-palaces-garden-honors-her

Forget-me-nots tend to grow tall and the petals can be found in blue and pink. The flower reportedly became her favorite after receiving them from a close family member.