To enjoy the combination of a main accessory with a charm by providing a mounting part for attachably and detachably connecting the charm as an attendant accessory.

A ring-like connection part 6 is fixed to the central lower side of a pierce 4 by brazing, and a connection part 7 to be attachably and detachably mounted on it is formed on a charm 5, and a pearl 8 is supported through the connection part 7. The pearl 8 is connected to an upper ring-like connection part 10 by a connection part 9 such as ring part fixed to itself. The connection part 7 has a stopper part 11 and an elastically deformable movable part 12, and the connection part 7 is laid in closed state by fitting the movable part 12 to the deep part of the slit of the stopper part 11. After the movable part 12 is elastically deformed so as to be drawable out of the slit of the stopper part 11 and released from the opening, the movable part 12 is passed through the connection part 6 on the pierce 4 side and fitted again to the stopper part 11, whereby the charm 5 can be connected to the pierce 4.