White Gold Rhodium Bonded Amethyst Drop Pendant with Clear CZ Accents in Silvertone. Amethyst Wonder Pendant is features a magnificent faceted Amethyst CZ and Clear CZ accents over faceted stone as well as on the bail. White Gold Rhodium Bond is achieved using an electroplating process that coats the item with heavy layers of rhodium, a close cousin of platinum that costs three times as much, which gives our jewelry a platinum luster.