This silver pendant is on 18″ silver curb chain, with an adjuster at 16″. Peridot harmonises the body. Peridot is the birthstone for August. Ref: B12.14.15SM Amber is known for its ability to absorb negative energy. Amber is the the birthstone for November. Amethyst is an all purpose stone , relieving stress and anxiety. Product Information Brand: Maureen Lynch Jewellery Type: Necklace Metal: Sterling Silver Measurement: 9mm Chain Length: 16" - 18"