The word bijou refers to something small and elegant. It is often used as an adjective in order to describe an elegant object. For example, a fashionable coffee shop might be referred to as a bijou cafe. In rare cases, bijou is also used to describe small delicate jewelry.
The word bijou derives from the French word "bizou," or ring. Although it is spelled with a "j" the word bijou is pronounced "bee-zhoo." In the past, bijou was used to describe ornate jewelry. This use is less common as of 2014, but the word still carries the connotations of daintiness and fine craftsmanship.