US Ring Size: 6; EU Ring Size: 52 Crystal on crystal, this striking blue ring taps into Swarovski’s unique heritage. Showcasing an octagon cut crystal on a full crystal band, it’s finished with a tonal metal inlay for a seamless finish. Designed to last: Swarovski jewelry will maintain its brilliance over time when simple care practices are observed; remove before contact with water, lotions or perfumes to extend your jewelry's life. Wear yours solo, or stack it with other pieces from the Lucent family to create a vibrant cocktail of color, day or night