Illuminate your look with this alluring onyx and white lab-created sapphire pendant, ring and stud earrings set. Sterling silver with 18k gold plate each piece features an oval-shaped black onyx at the center, the largest being 10. 0 x 8. 0mm each white lab-created sapphires line the sunburst frames 18. 0-inch cable chain; spring-ring clasp friction backs ring is available in size 7 only