If you’re not familiar with Rhodium, it’s a rare metal in the platinum group. It’s ultra shiny with a very high reflectance rating. It is non-corrosive so it will not tarnish or rust, and is not affected by sweat and body acids. It has a high hardness rating which makes it tough to scratch. In short Rhodium plating is a good thing which will add protection and make jewellery shine like Platinum.