Save on last chance colors of our bestselling Beaded Gemstone Necklace! These Gemstone Necklaces add a fun and colorful twist to any necklace stack. Natural beads are sourced from all over the globe, giving each necklace a unique story and one-of-a-kind look. Natural crystals 18k yellow gold plated Brass base Length 16" + 2" extender Natural crystals are all unique and never fully identical Clasps and extenders can be 18k gold plated brass Spring Disco Crystal Heishi: Round crystal, approx. 5 mm Pink Ombre Peruvian Opal: Round opal, approx. 3 - 3.5 mm Morganite: Round morganite, approx. 5-5.5 mm Green Amethyst: Round amethyst, approx. 5 mm Mixed Aquamarine: Round multi colored aquamarine, approx. 5 mm Moonstone: Round moonstone mined in South India, approx. 3.5 mm Ethiopian Amber Opal: Round Ethiopian opal, approx. 4 mm Peridot: Round peridot, approx. 3-3.5 mm Pastel Tire Opal: Round opal, approx. 4 - 5 mm Ethiopian Summer Opal: appox. 4-5 mm Bright Blue Gumdrop Opal: Round opal, approx. 5-6 mm