Shop › Silver Amber & Marcasite Ring Image 1 of 2 Image 2 of 2 Silver Amber & Marcasite Ring $100.00 Unique faceted amber ring with marcasites set in 935 sterling silver. An unusual stone and setting. Stamped 935, size O. Add To Cart Added! Unique faceted amber ring with marcasites set in 935 sterling silver. An unusual stone and setting. Stamped 935, size O.