What does en tremblant mean in jewellery?
By Jared James · Last updated 21 May 2026
Definition
En tremblant is a French term meaning trembling, and in jewellery it describes pieces where one or more elements are mounted on fine coiled springs or wire suspensions so they quiver and move with the wearer's slightest motion. The technique was developed to maximise the sparkle of diamonds and gemstones, because even a tiny movement sends flickers of light across the stones in a way that a fixed setting cannot. It was particularly popular in 18th and 19th century French and English jewellery, especially in brooches shaped like flowers and butterflies, where the petals and wings trembled as if alive.
Frequently asked questions
- How does the trembling effect work in en tremblant jewellery?
- The moving part is attached to a tightly coiled wire spring rather than a rigid mount, so any vibration from walking or turning the head causes it to oscillate. Even breathing can set fine diamond petals quivering if the spring is well-made.
- What types of jewellery use the en tremblant technique?
- Brooches are the most common form, particularly floral designs where individual petals or stamens trembled. Hairpieces, aigrettes and even earrings were also made en tremblant. The technique suits any setting where movement adds visual drama.
- Is en tremblant jewellery still made today?
- High jewellery houses still use the technique for exceptional pieces, and vintage and antique en tremblant brooches are sought after by collectors. The spring mechanisms in genuine antique pieces are delicate and may need careful attention from a specialist jeweller.
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