If you’re thinking of selling a diamond — or buying one and wondering if it will hold its value — you’re probably asking the right question: What is the diamond resale value and how can I get the best ...

California divorced mom Marissa Forrester's 1.5 carat diamond engagement ring had a retail value of $10,000 in 2012. Eleven years later in 2023, she sold it online for a quarter of that — $2,500. “I ...

A diamond is forever, but maybe not for much longer. Spot trading in commoditized clusters of diamonds started in September and the firm behind the electronic exchange aims to launch a futures ...