Diamond Exchange Houston is a jewelry store that offers wholesale diamonds, engagement rings and custom jewelry. We are also a great place to sell diamonds in Houston because we are diamond buyers and jewelry buyers. The Diamond Exchange has an endless supply of loose diamonds including GIA certified diamonds and lab grown diamonds. Our jewelers are excellent at creating custom engagement rings in Houston. Our goal is always to get our customers the biggest and nicest diamonds for their budget. We offer FREE verbal jewelry appraisals and we have a jewelry consignment option for customers who would like to sell their diamonds or engagement rings.