Tips for shopping for an engagement ring: Don't rush it. (Buying the diamond, that is.) Unless you want to settle, don’t expect to walk into a jewelry shop one day with some courage and a cheque and walk out with a diamond in your pocket. You should have your first appointment at least 4 weeks before you plan to drop down on one knee. Don't know what to look for in an engagement ring? We've got a few tips in our link in bio!