Set a sophisticated tone with this blue topaz and white lab-created sapphire pendant, ring and stud earrings set. Sterling silver each piece features a 6. 0 x 4. 0mm emerald-cut swiss blue topaz at the center white lab-created sapphires surround each center stone in a shimmering halo frame 18. 0-inch rope chain; spring-ring clasp friction backs the ring is available in size 7 only