This Stunning 18" Necklace Is Designed With 3 Prong Set Brilliant Round Russian CZs Followed By An "X" Made Of 4 Marquise Cut CZs And Finished With A Stunning Prong Set Pear Cut Russian CZ Created In High Polished Rhodium. Rhodium Is From The Platinum Family And Perfect Because It Will Not Tarnish And Is Great For Ladies Allergic To Nickel Found In Sterling Silver.