Jet jewelry was extremely popular in Victorian and Edwardian times. Genuine Jet (Lignite) is wood that has been subjected to extreme compression over millions of years. Often associated with mourning these faux jet earrings were inspired by pieces worn by two of the widows of Downton Abbey, the Dowager Countess and Lady Rosamund. You will also see non-mourning pieces on the younger daughters as the striking black jewelry remained popular through the 1920s. 1 3/4" long.