Solid Sterling Silver Rhodium Plated Blue Inlay Simulated Opal Hawaiian Flower Necklace Earrings Set This necklace and earrings set is made of solid rhodium plated sterling silver, featuring fine quality simulated opal. Our radiant simulated opal reflects back all the colors of the rainbow, easily convincing others it's the real thing. Necklace comes in 16in, 18in, 20in, 24in long or just a pendant. Pendant measures 25mm (1 in) x 15mm (0.59 in). Earrings measure 27mm (1.06 in) in length and 9mm (0.35 in) in width.