Vintage 1920s Art Deco Geometric Silver Marcasite RingVintage 1930s dress ring, featuring a geometric design with marcasite stones. The ring is set in silver. Marcasites are Pyrite also known as Fools Gold. It was used in jewellery due to it's ability to catch the light, giving a diamond effect. ERA 1930s HALLMARKS None, tested silver. MEASUREMENTS The face of the ring measures 1. 7cm 0. 8" in height and 1cm 0. 4" in width. RING SIZE UK M US 6 Do you need this ring resized? Add our 'Ring Resizing Add On'