Vintage Amethyst Silver Marcasite RingVintage 1930s dress ring, featuring a faceted round amethyst stone surrounded by 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 Silver MEASUREMENTS The face of the ring measures 145cm 0. 5" in diameter. The width of the band is 0. 2cm 0. 09". RING SIZE UK O US 8 Do you need this ring resized? Add