Bangle and Bijou

Bangle noun - An ornament worn on a chain around the neck or wrist.

Bijou and bangle are semantically related In some cases you can use "Bijou" instead a noun "Bangle".

Bijou noun - A small and delicately worked piece.

Bangle and bijou are semantically related in precious stones topic. Sometimes you can use "Bangle" instead a noun "Bijou".