When it comes to selling an expensive jewellery item, such as a diamond engagement ring, there’s going to be a bit more at stake than if you were just selling an old phone or clothes you don’t wear ...

Dear Annie: I am an 81-year-old widower. My deceased wife and I weren’t into the wedding ring thing when we got married.

A federal jury told Costco to pay Tiffany and Co. $5.5 million in compensation for selling counterfeit Tiffany diamond engagement rings. Last year, a district judge ruled that Costco had knowingly ...