Catherine Popesco Gold Plated Square-cut Pacific Blue Swarovski Crystal Dangle Earrings 14k gold-plated finish over a copper base. We use Swarovski crystals, the finest Austrian crystal available. Square shaped .5 inch multi-faceted Pacific Blue Swarovski crystals earrings Vintage style and Old finish lever-backs Made in France and designed by Catherine Popesco for La Vie Parisienne