CRYSTALLIZED™ - Swarovski Elements Rondelles are beautiful disc-like faceted crystal beads, the perfect addition for your CRYSTALLIZED™ jewelry creations. A rondelle is a small disc used as a spacer in beadwork. Some rondelles are clear crystal discs, often used between colored crystal beads. Other rondelles are encircled with channel-set diamonds or rhinestones. Use CRYSTALLIZED™ Swarovski Elements when you want the absolute best!