Necklaces / Pendants by Donna Barry This elegant one-off piece is made from stirling silver, 18ct yellow gold and facteted Rainbow Moonstone button beads.The length is 18" but can be shortened if needed. The centre piece measures at 6.3 x 5cm.Perfect for a special or formal occasion. Features Primary Material : silver Other Materials : 18ct yellow gold and rainbow moonstone One of a Kind : Yes Metal : 18ct yellow gold and silver Hallmarked : Yes Length (inches) : 18 Cleaning InstructionsPlace silver & gold in silver dip and leave for just a few seconds. Leave longer if badly tarnished. Then, rinse well with warm water. Using a soft toothbrush and fairy liquid, brush the silver and gold all over. Rinse thoroughly and dry using a hair dryer. This will reduce any silver dp residue or water stain.