$ 100.00 Ammonite set in sterling silver ring Enlarge Ammonite fossil set in sterling silver size 7 Order Ammonite fossil set in sterling silver size 7 standard @ $100.00 Qty: Related Products: Rings Moonstone and silver ring $ 55.00 Triple amethyst sterling silver ring $ 65.00 Round Solar crystal sterling silver ring $ 100.00 View more Rings.