This is a women's size 7 topaz and rhinestone sterling silver ring.
The ring is sterling silver with a blue topaz cluster in the center, surrounded by a ring of clear rhinestones with more topaz pieces and rhinestones on each side.
The ring measures 19.1 mm in diameter, 24.8 mm tall, and 13 mm wide at the top. (Topaz is the joint birthstone for November along with citrine).
This ring is in very good pre-owned condition.