The exquisite tiara, created by Cartier, was worn by Princess Grace -- formerly the Hollywood actress Grace Kelly -- at her daughter Caroline's wedding in 1978.

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In 1982, Princess Grace of Monaco, formerly the American film actress Grace Kelly, died in the hospital after a car crash the previous day.

CNN: Monday,

Grace Kelly was 26 when she gave up acting to become Princess Grace of Monaco.

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Its newer lines are the Nicolas Rieussec Collection, named after the person who invented the chronograph, and the Montblanc Collection Princesse Grace de Monaco, in honor of Grace Kelly, the famous actress and Princess of Monaco.

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