JOAN RIVERS SIGNATURE COLLECTION. NECKLACE IS NEW AND A VELVET POUCH IS INCLUDED FOR SAFE KEEPING. Measurements are in photos. Thus is a medium weight piece. I do not know anything about the beads. The color variations are beautiful, but I believe they are manmade, not authentic gemstones. Please let me know if you have any questions. Smoke-free, pet friendly home. Items are packaged and kept separately. Thank you so much for visiting my closet.