Beautiful en tremblant signed Lily of the Valley flower pin brooch encrusted with Swarovski crystals, in Sterling Silver, Black Rhodium finish. Unique and fabulous as you are...Chic, Stylish and Timeless! En tremblant is a French term – meaning to tremble. It was first used to describe 18th and 19th century jewelry where parts of the diamond set pieces were attached to a trembler, to create movement in the jewel when worn. Brooches mounted in this way were particularly effective in reflecting the scintillating fire of candlelight. How romantic is that!