That's not the only odd thing going on with Google+ links. You know how most pages with reviews on sites other than G+ have a "Reviews from around the web" section all the way at the bottom? Over the past few days I've seen links to Google+ down there - which link to the same Google+ Local page you're already on. That's something I'd never seen.
New advertising option:
A review of your product or service posted by a Sterling Sky employee. This will also be shared on the Sterling Sky & LSF Twitter accounts, our Facebook group, LinkedIn, and both newsletters.