Triquetra Celtic Knot Cremation Urn Locket Sterling Silver Ring This 12mm, sterling silver storage ring has a bold Celtic claddagh among an Irish knot patterned band. A poison ring inspired pendant makes this a unique accessory, and a great locket alternative. Diameter secret compartment door 12mm Measure: Band: 12mm Weight: 7.8 Grams Material: 925 Sterling Silver Measure: 3mm Band Width Weight: 7.8 grams This 12mm, sterling silver storage ring has a bold Celtic claddagh among an Irish knot patterned band. A poison ring inspired pendant makes this a unique accessory, and a great locket alternative. Diameter secret compartment door 12mm Measure: Band: 12mm, Weight: 7.8 Grams, Material: 925 Sterling Silver