Meet your new jewelry wardrobe staple! 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 Round Ethiopian opal, approx. 4 mm