Affair of the Diamond Necklace

For the film based on these events, see The Affair of the Necklace.
The diamond necklace was commissioned by Louis XV of France for his mistress, Madame du Barry. At the death of the King, the necklace was unpaid for, almost bankrupting the jewellers and leading to various unsuccessful schemes to secure a sale to Queen Marie Antoinette.

The Affair of the Diamond Necklace was an incident in 1785 at the court of King Louis XVI of France involving his wife, Queen Marie Antoinette. The reputation of the Queen, which was already tarnished by gossip, was ruined by the implication that she had participated in a crime to defraud the crown jewelers of the cost of a very expensive diamond necklace. The Affair was historically significant as one of the events that led to the French populace's disillusionment with the monarchy, which, among other causes, eventually precipitated the French Revolution.


"The Queen's necklace", reconstruction, Château de Breteuil, France

In 1772, Louis XV of France decided to make Madame du Barry, with whom he was infatuated, a special gift at the estimated cost of 2,000,000 livres (approximately $14 million in 2015 USD). He requested that Parisian jewelers Boehmer and Bassenge create a diamond necklace which would surpass all others in grandeur. It would take the jewelers several years and a great deal of money to amass an appropriate set of diamonds. In the meantime, Louis XV died of smallpox, and du Barry was banished from court by his grandson and successor.

The necklace consisted of many large diamonds arranged in an elaborate design of festoons, pendants and tassels. The jewelers hoped it could be a product that the new Queen of France, Marie Antoinette, could buy and indeed in 1778 the new king, Louis XVI, offered it to his wife as a present, but she refused.[1] According to Jeanne-Louise-Henriette Campan, the Queen refused it with the statement that the money would be better spent equipping a man-of-war. Some said that Marie Antoinette refused the necklace because she did not want to wear any jewel that had been designed for another woman, especially if that woman was a courtesan she disliked. According to others, Louis XVI himself changed his mind.[2]

After having vainly tried to place the necklace outside France, the jewelers again attempted to sell it to Marie Antoinette after the birth of Louis Joseph, Dauphin of France, in 1781. The Queen again refused.[2]

The Affair

Jeanne de Saint-Rémy de Valois

A confidence trickster who called herself Jeanne de Valois-Saint-Rémy, also known as Jeanne de la Motte, conceived a plan to use the necklace to gain wealth and possibly power and royal patronage. A descendant of an illegitimate son of Henry II of France, Jeanne had married an officer of the gendarmes, Nicholas de la Motte, the soi-disant "comte de la Motte", and was living on a small pension which the King had granted her.

In March 1785, Jeanne became the mistress of the Cardinal de Rohan, a former French ambassador to the court of Vienna.[3] The Cardinal was regarded with displeasure by Queen Marie Antoinette for having spread rumors about the Queen's behavior to her formidable mother, the Austrian empress Maria Theresa. The Queen had also learned of a letter in which the Cardinal spoke of Maria Theresa in a way that the Queen found offensive.

At this time, the Cardinal was trying to regain the Queen's favour to become one of the King's ministers. Jeanne de la Motte, having entered court by means of a lover named Rétaux de Villette, persuaded Rohan that she had been received by the Queen and enjoyed her favour. On hearing of this, Rohan resolved to use Jeanne to regain the Queen's goodwill. Jeanne assured the Cardinal that she was making efforts on his behalf.[2]

This began an alleged correspondence between Rohan and the Queen, Jeanne de la Motte returning replies to Rohan's notes, which she affirmed came from the Queen. The tone of the letters became very warm, and the Cardinal, convinced that Marie Antoinette was in love with him, became enamoured of her. He begged Jeanne to arrange a secret night-time interview for him with the Queen, and the supposed meeting took place in August 1784. In the garden of the Palace of Versailles, the Cardinal met with a woman whom he believed to be the Queen but in fact was a prostitute, Nicole Leguay, who Jeanne had hired because of her resemblance to the Queen. Rohan offered Leguay a rose, and, in her role as the Queen, she promised him that she would forget their past disagreements.[2]

Jeanne de la Motte took advantage of the Cardinal's belief in her by borrowing large sums of money from him, telling him that they were for the Queen’s charity work. With this money, Jeanne was able to make her way into respectable society. Because she openly boasted about her relationship with the Queen, many assumed the relationship was genuine.

Marie Antoinette, Queen of France

The jewellers Boehmer and Bassenge resolved to use her to sell their necklace. She at first refused a commission, but then changed her mind and accepted it.

According to Madame Campan, Jeanne, pretending to be the Queen, sent several letters to the cardinal, including an order to buy the necklace. They were signed "Marie Antoinette de France"; the Cardinal either did not know or did not remember that French queens signed with their given names only.

On 21 January 1785, Jeanne told the Cardinal that Marie Antoinette wanted to buy the necklace; but, not wishing to purchase such an expensive item publicly during a time of need, the Queen wanted the Cardinal to act as a secret intermediary. A little while later, Rohan negotiated the purchase of the necklace for 2,000,000 livres, to be paid in installments. He claimed to have the Queen's authorization for the purchase, and showed the jewelers the conditions of the bargain in the Queen's handwriting. Rohan took the necklace to Jeanne's house, where a man, whom Rohan believed to be a valet of the Queen, came to fetch it. Jeanne de la Motte's husband secretly took the necklace to London, where it was broken up to sell the large individual diamonds separately.

When time came to pay, Jeanne de la Motte presented the Cardinal's notes, but these were insufficient. Boehmer complained to the Queen, who told him that she had neither ordered nor received the necklace. She had the story of the negotiations repeated for her. Then followed a coup de théâtre.[2] On 15 August 1785, the Assumption of Mary, while the court was awaiting the King and Queen to go to the chapel, the Cardinal de Rohan, who was to officiate, was taken before the King, the Queen, the Minister of the Court Louis Auguste Le Tonnelier de Breteuil and the Keeper of the Seals Armand Thomas Hue de Miromesnil to explain himself. Rohan produced a letter signed "Marie Antoinette de France". On reading this, the King became furious that Rohan, a prince étranger, could have let himself be fooled, since royalty do not use surnames. Rohan was arrested and taken to the Bastille; on the way he sent home a note ordering the destruction of his correspondence. Jeanne was not arrested until three days later, giving her a chance to destroy her papers.[4]

The police arrested the prostitute Nicole Leguay and Rétaux de Villette, who confessed that he had written the letters given to Rohan in the queen's name, and had imitated her signature.[2] The noted Freemason and occultist Alessandro Cagliostro was also arrested, although it is doubtful whether he had any part in the affair. The claim that Cagliostro was convicted as a sorcerer by a court of the Inquisition in the Vatican jurisdiction is not strictly correct. He was accused of being a Freemason, which was contrary to two papal edicts previously issued. He was condemned to death later commuted to life imprisonment. One author believes that Cagliostro was a convenient scapegoat, used to reinforce the propaganda that Freemasons were the architects of the French Revolution, and part of a conspiracy to topple monarchs all over Europe.[5]

The Cardinal de Rohan accepted the Parlement de Paris as judges. Pope Pius VI was incensed, since he believed that the cardinal should be tried by his natural judge (i.e., himself). However, his notes remained unanswered. A sensational trial resulted in the acquittal of the Cardinal, Leguay, and Cagliostro on 31 May 1786. Jeanne de la Motte was condemned to be whipped, branded with a V (for voleuse, "thief") on each shoulder, and sent to life imprisonment in the prostitutes' prison at the Salpêtrière. In June of the following year, she escaped from prison disguised as a boy.[6] Meanwhile, her husband tried in absentia and condemned to be a galley slave. The forger Villette was banished.[4]

The scandal

Public opinion was much excited by this trial. Most historians come to the conclusion that Marie Antoinette was blameless in the matter, that Rohan was an innocent dupe, and that the La Mottes deceived both for their own ends.[2] This was also broadly the finding of the Paris Parlement, although they did not comment on the actions of the Queen.

Despite the findings to the contrary, many people in France persisted in the belief that the Queen had used the La Mottes as an instrument to satisfy her hatred of the Cardinal de Rohan. Various circumstances fortified this belief. There was the Queen's disappointment at Rohan's acquittal, and the fact that the Cardinal was afterwards deprived by the King of his charges and exiled to the Abbey of la Chaise-Dieu.[2] In addition, the people assumed that the Parlement de Paris's acquittal of Rohan implied that Marie Antoinette was somehow in the wrong. All of these factors led to a huge decline in the Queen's popularity and encouraged an image of her among the masses as a manipulative spendthrift, interested more in vanity than in the welfare of France and the French.

Jeanne de la Motte took refuge in London and in 1789 she published her Mémoires Justificatifs, in which she once again accused the Queen.


The affair of the diamond necklace was important in discrediting the Bourbon monarchy in the eyes of the French people, four years before the French Revolution. Marie Antoinette became even more unpopular, and malicious gossip about her made her even more of a liability to her husband.[7] She was never able to shake off the idea in the public imagination that she had perpetrated an extravagant fraud for her own frivolous ends. Nonetheless, the affair prompted Louis XVI to become closer to his wife, and may have inclined him to be more defensive of and more responsive to her leading up to and during the revolution.

The affair in fiction


  1. Fraser, 226228.
  2. 1 2 3 4 5 6 7 8  One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Diamond Necklace, The Affair of the". Encyclopædia Britannica. 8 (11th ed.). Cambridge University Press. pp. 164–165. This cites:
    • Maurice Tourneux, Marie Antoinette devant l'histoire: Essai bibliographique (2nd ed., Paris, 1901)
    • Émile Campardon, Marie Antoinette et le procès du collier (Paris, 1863)
    • P. Audebert, L'Affaire du collier de la reine, d'après la correspondance inédite du chevalier de Pujol (Rouen, 1901)
    • F. d'Albini, Marie Antoinette and the Diamond Necklace from another Point of View (London, 1900)
    • Frantz Funck-Brentano, L'Affaire du collier (1903)
    • Andrew Lang, Historical Mysteries (1904)
    • Carlyle's essay on The Diamond Necklace (first published in 1837 in Fraser's Magazine) is of historical literary interest.
  3. Joan Haslip "Marie Antoinette", page 167
  4. 1 2 Chisholm 1911.
  5. Wade N.V.,"Count Cagliostro, "Freemason or Fraud?", lecture to the Stationers' Company's School Lodge No 7460, 11 December 2015, Mark Masons' Hall ,London (Full text to be published in 2016)
  6. Haslip, page 179
  7. Fraser, 239.

Further reading

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