Glory Lotus Flower Silver Essential Oil Diffuser Necklace- 18" 316L Stainless Steel. Love the Lotus Flower? You will love our smaller aromatherapy necklace featuring the Lotus! On an 18" ball station chain, this necklace is perfect on its own or layered with other pieces you currently own. Hypoallergenic and nickel/lead-free too! Length: 18". Diffuser Pendant size: 0.875 x 0.5". Pendant closure: Chain Secured. Chain Material: 316L Surgical Grade Stainless Steel. Pendant Material: Rhodium. Included in package: Necklace and three 6mm diffuser lava stones (assorted colors).