Choose a gemstone that tells your story with the Groovy Birthstone Mini Charm Collar Necklace. Crafted in a mix of 14k and 10k yellow gold, the Mini Collar features your choice of diamond, blue sapphire, topaz, aquamarine, emerald, peridot, ruby, garnet, citrine, amethyst, or pink sapphire for a personal touch of color. Curated and ready to wear, this gemstone mini charm is designed to grow with your collection and is compatible with Mini Charms and Mini Beads. We love layering it with our Rolo Chain Lariat for a collected look.