judith jack sterling silver vintage marcasite set of 3 stack rings

judith jack sterling silver vintage marcasite & cubic zirconium set of 3 stack rings - can be worn together or as separate pieces purple amethyst blue aquamarine yellow citrine colored stones Pre-loved but in great condition - may need some shining Size - 6 (i believe this is the correct size, although it could be a size 7) dainty vintage fashion .925 925 sterling silver crystal marcasite