4mm Cubic zirconia sterling silver charm925 Sterling Silver charms to add to your Mermaids and Dinosaurs jewellery! You could choose your birthstone colour or just your favourite *Each Gem is 4mm please note this listing is for the charm only!!* Every charm is handmade to order and can be ordered at the same time as your jewellery to be added on or as an additional charm afterwards. The charms will slide onto most of the chains I sell although if you have a plain silver chain or bracelet