If you are looking for the best place in Houston, TX to buy and sell diamonds then contact The Diamond Exchange today. Diamond Exchange Houston is a jewelry store that offers engagement rings and wholesale diamonds. We are diamond dealers that offer a large selection of engagement rings, diamond rings, loose diamonds, diamond earrings, and diamond jewelry. Do you have jewelry to sell? We pay top cash for gold and diamonds and jewelry. We also are diamond buyers and jewelry buyers. You can sell diamonds and unwanted jewelry to Diamond Exchange Houston.