Collection of Rings

including a ring set with an oval-cut blue topaz and accented by diamonds weighing approximately 0.05ct, an oval shaped cabochon-cut opal accented by diamonds weighing approximately 0.10ct, an oval-cut aquamarine accented by approximately 0.10ct diamonds, a channel-set sapphire and diamond ring and a mabé pearl ring, mounted in sterling silver, 14k and 18k gold, sizes 6 1/2 to 7 3/4