Discover our best selling Lucy Williams x Missoma silver necklace now for men. It features a square black onyx pendant, known as the protection stone, creating a distinctive focal point. It's coupled with our first-ever flat baby curb chain. Metal: Silver Plate on Sterling Silver Gemstone: Black Onyx Pendant Dimensions: 8mm x 8mm Length: 19.6inch Product Code: MJ-S-N18-BX