Swarovski Silver,Tone Round Cut Attract Trilogy Ring, Size 50 (US 4.75) Swarovski Ladies Rings. Stilla Attract series. Color: White. Swarovski Silver-Tone Round Cut Attract Trilogy Ring. Elevate your style with this timeless ring, featuring brilliant clear crystals and a trio of meticulously cut Swarovski Zirconia set on a radiant silver-tone finish. Material: Crystals, Silver-tone finish, Zirconia.