Swarovski Ladies Rings. Constella series. Gem stone type: Cubic Zirconia. Swarovski Constella Ladies Cubic Zirconia Ring. Constella rings showcase sparkling constellations of Swarovski Zirconia set in radiant gold-tone plating. Wear them solo, stacked, or spread across multiple fingers to express your own unique style. Material: Gold-tone plated, Zirconia.