[mothered]

Jewelry Is extremely light, so boxing will suffice.

What Item(s) are you looking to SE?

Well I was considering doing a chain, rings or bracelets and maybe a watch

As said they're lightweight, namely In your case the ring, bracelet and chain. Boxing Is appropriate- It'll barely register a weight on consignment.

Research the company's terms, particularly their return policy and prepare & formulate your SE based on your findings.