Single stone necklaces are those whose basic element is a single stone. This stone can be a diamond or other precious / semiprecious stone, but also zircon. A single stone necklace is one of the basic pieces that every woman deserves to have in her collection. It is the jewelry that can be combined with any type of clothing, or with other necklaces, creating a layering. The single stone necklace is a piece of jewelry that, if acquired, will be difficult to part with.