|Sofia of Nassau, later Queen of Sweden 
|Grand Duchess Charlotte of Luxembourg wears the Empire Tiara 
If there were a contest for “biggest tiara in Europe,” I’d be hard pressed to think of another sparkler that could best this one. The Empire Tiara owned by the grand ducal family of Luxembourg is a massive diamond fortress of a tiara. At more than four inches tall, it’s a giant of the tiara world. Because of its size, the all-diamond tiara has plenty of room for the incorporation of numerous motifs, including geometric, anthemion, and scroll designs.
But even though it’s such a knockout, its provenance is a bit unclear. This tiara gets its name from its empire style, not because it came from imperial vaults. It’s an early nineteenth-century piece. For years, there were two major theories posited about how it arrived in Luxembourg. One traced it back to Romanov Russia via Grand Duchess Elizabeth Mikhailovna, the first wife of Grand Duke Adolphe. The other pointed to Adolphe’s daughter, Grand Duchess Hilda of Baden, who died without descendants and may have left jewelry to her nieces. But the ladies over at Luxarazzi have done some digging into the family’s jewel inventories, and they have ascertained that the piece was in the family’s possession by 1829, making both of those previous theories impossible .
It’s also twice been used as a wedding tiara by members of the family. In 1919, it was worn by Grand Duchess Charlotte to marry Prince Felix of Bourbon-Parma; they’re the grandparents of the current grand duke, Henri. (Their wedding photo is at the top of this post.) Charlotte’s younger sister, Princess Hilda, also wore the tiara at her wedding to Adolf, the 10th Prince of Schwarzenberg, in 1930. The tiara was worn regularly by Grand Duchess Joséphine-Charlotte during the twentieth century, and today it is worn by her daughter-in-law, Grand Duchess Maria Teresa. She tends to bring out the tiara only for the grandest of occasions, and it’s easy to see why! 
2. Sydney at Luxarazzi notes that Jakob Tillmann Speltz carried out alterations on the tiara in 1829, but it is not clear whether he was the original maker of the piece; see here.
3. A version of this post originally appeared at A Tiara a Day in January 2013.