By Craig Coe
| What to Check | Why It Matters | Recommendation |
| Diamond valuation | Gives a realistic market price | Always request a professional assessment |
| Certificate | Confirms diamond details | Bring it if available |
| Ring condition | Better condition often means better offers | Clean the ring before selling |
| Buyer reputation | Ensures a fair transaction | Choose experienced engagement ring buyers |
| Multiple quotes | Helps maximise your return | Compare before deciding |