This is a stunning sterling necklace with lapis lazuli stone and marcasites. The necklace dates to the Art Deco Period, 1920's. The design of the necklace is striking with intricate patterns and sparkling marcasites. The lapis stone has different shades of blue and is contrasted with the sterling silver. On the back of the pendant and the clasp, it is marked Sterling. Dimensions: The necklace measures approx. 16 1/2" without the pendant. The pendant measures approx. 1 1/2" length and 1" width, with the bail.