Diamond Necklace

Diamond Necklace may refer to:


 * The Diamond Necklace (film), a 1921 British silent film directed by Denison Clift
 * 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
 * Diamond Necklace (film), a 2012 Indian film directed by Lal Jose
 * "The Necklace" or "The Diamond Necklace", an 1884 short story by Guy de Maupassant
 * Necklace of Diamonds, an Indian strategy to partner with China's neighbors