Kelly's jewelry collection rapidly expanded during her engagement to Prince Rainier III, and one of the pieces that was added to it was a three-strand pearl necklace by Van Cleef & Arpels.

Elle Fanning is going royal with her Met Gala look. The actress is wearing a 1955 Carier Grain de Café coffee bean necklace, "the one that Grace Kelly wore in the royal portrait," she said on the ...

The Three-Strand Pearl Necklace American actress and Princess of Monaco Grace Kelly attends the Trinity Mission Benefit Gala at the Waldorf Hotel in New York, 1977. Kelly’s jewelry collection rapidly ...