Authentic Cheap Pandora Round Amethyst Sterling Silver Swirl Earring Pendants For Sale at Great Price In USA. Compare Latest 2015 Deals & Save Now! Round amethysts topped by swirls of sterling silver create instant style in these retired earring charms from PANDORA. The charms can be added to hoop earrings (sold separately). Style # Gently clean by rinsing in warm water and drying with a soft cloth.