What are the necklaces called with a chain hanging down?

The necklaces with a chain hanging down from them are usually called lariats. Some people refer to them as Y-shaped necklaces. Lariat necklaces first became popular during the age of Art Deco. Pieces from the era usually feature platinum metal and are set with pearls, diamonds and other gemstones. On 1stDibs, find a selection of lariat necklaces.