Swarovski Crystal Grandother's Birthstone Stretch Name Bracelet. Celebrate your children with a beautiful bracelet. It can be personalized with your children's name or the name "Grandma". Created on strong stretch string with 6mm bicone Swarovski Crystals. Separating each crystal are silver glass seed beads. There are also silver-tone flower spacers. Picture shown comes in light amethyst, however, all birthstones are available.