A remarkable piece of royal history captivated the global jewellery market this week. The 10.38-carat “Marie-Thérèse Pink Diamond” achieved more than USD $13.9 million (including buyer’s premium) at Christie’s New York Magnificent Jewels auction, nearly doubling its high estimate. The hammer price alone reached USD $11.8 million.
This fancy purple-pink, modified kite brilliant-cut diamond boasts not only exceptional rarity and colour but also a royal provenance tracing back through French, Bavarian, and Austrian imperial families. It was most recently set in a ring by renowned Franco-American jewellery artist JAR, further enhancing its artistic and collectible value.
According to Christie’s, the pink diamond is believed to have been part of a group of jewels entrusted by Marie Antoinette to her hairdresser in 1791, just before her attempted escape from Paris. These jewels were later passed to her only surviving child, Duchess Marie Thérèse de Angoulême, and subsequently to her niece, Duchess Marie Thérèse de Chambord.
“Generations later,” Christie’s noted, a will identified Queen Marie Theresa of Bavaria as the next known custodian of the gem, referring to it as “a pink solitaire diamond from Aunt Chambord.” The diamond last appeared at auction in Geneva in 1996, offered by a European royal family member, and had remained out of public view until this recent sale.
The impressive result underscores continued global demand for rare, historically significant coloured diamonds — particularly those with noble provenance.