14k Yellow Gold Over Brass. Iridescent Abalone, Opalite Illusion, White CZ. Lobster Clasp. 16" Chain With 3" Extender, 1.16"L X 0.92"W Pendant. Add a touch of romance to any necklace stack with the Bianca Butterfly Gold Short Pendant Necklace. Featuring an artfully arranged butterfly shape made of color-coordinated stones with sparkling beauty marks, this necklace is a must-have for your collection.