I wanna get my boyfriend a necklace(a dog chain) for our 1 year anniversery where can i get it?

Its mine and my boyfriends one year anniversery on thursday and i wanna get him a necklace well a dog chain cuz thats what guy wear and thats just a IDEA it kind of feels awkward cuz his ex gave him a necklace a dog chain with his name on it i dont know if its a good idea but anyways if i do get it where can i get it from and how much can i get for i live in canada surrey B.C anywhere near there or something?