Keep the things that matter close to your heart. Introducing our Stilla Locket, made with protective and grounding Black Onyx. Add a photo, and engrave the back to make it part of your story. 18K Gold Plated, Recycled Sterling Silver Locket fits one 15mm photo Free engraving - three lines, up to 10 characters per line 13.5mm Black Onyx, symbolises strength and grounding Locket is 18mm diameter Adjustable Chain Length: 20" with 2" extender, lobster clasp