Diamond Necklace may refer to:
"The Necklace" or "The Diamond Necklace", an 1884 short story by Guy de Maupassant The Diamond Necklace (film), a 1921 British silent film directed by Denison Clift Kanthahaar or Diamond Necklace, a 1930 Indian silent film starring Durgadas Bannerjee and B. S. Rajhans Diamond Necklace (film), a 2012 Indian film directed by Lal Jose
See also Necklace of Diamonds, an Indian strategy to partner with China's neighbors Affair of the Diamond Necklace, a mysterious incident in the 1780s at the court of Louis XVI of France involving his wife, Queen Marie Antoinette The Affair of the Necklace, a 2001 film based on above incident