Our latest obsession? Anything with our birthstone. August babies will love this octagonal-cut Peridot pendant necklace. Add to your favourite chain - or gift to someone special - for a super personal touch. 18k Gold Plated, Stainless Steel 6x4mm Octagonal cut Peridot Peridot for prosperity, happiness and protection Chain length 16" (40.5cm), extends to 18" (45.5cm)