Necklaces / Pendants by Joanne Thompson This elegant long Moncrieff necklace is a very useful piece, can be worn long or doubled up, and great for layering with other pieces. Each loop is soldered and hammered giving great durability. Loop diameter is 12mm. Can be made to any desired length upon request. Features Primary Material : oxidised silver One of a Kind : No Metal : sterling silver Hallmarked : Yes Length (inches) : 57 Cleaning InstructionsOxidised silver jewellery can be cleaned using liquid soap and cold water.