Black Diamond Color Crystal Butterfly Rhinestone Flower Necklace and Earrings Jewelry Set [Bridal Jewelry] Feminine jewelry set with flower and butterfly necklace and matching butterfly earrings Black diamond color rhinestones included throughout the design; Other colors available. Necklace and earrings are made of rhodium-plated metal for a silvery look with tarnish resistance. Butterfly and floral necklace is 18 inches long + adjustable (extra 2 inches)