Eau Sea Shell Pendant.

This 18k gold-plated seashell pendant is Eau at its most elemental — a single shell, hand-finished and set with crystal, the kind of small object you would pocket from a beach and keep.

The shell is cast in brass beneath its gold plating, nickel- and lead-free, with a satisfying weight in the hand for its modest size. Unisex and unfussy, it suits a simple chain worn close, and pairs naturally with the dolphins, fish, and starfish of the same family when you feel like company.