One way to improve your search engine rankings is to include keywords related to long-form content or blog posts. Just because it sounds meaningful doesn't mean Jewelry Retouching Service it's packed with text full of irrelevant words. That is, use those words only when appropriate, and only when it makes sense to add them in context.
Use consistent audio for all content
There are many aspects to your business, but writing in different places, such as blog posts and e-mail newsletters, can make a big difference in your voice.
Not only does this confuse readers who are accustomed to seeing that style from you every time you hear from your company (it's not often!), But it's a topic you can cover because some people resonate. There are more audiences than others.