There are two ways to buy engagement rings. Engagement rings in the Pre-Set category are finished pieces that feature pre-selected diamonds or other natural gems. Engagement rings in the Un-Set category are shown with cubic zirconia center stones to help you picture how they will look set with a diamond of your choosing. The prices listed for these rings is the cost of the mounting only. Our Pre-Set collection is in stock and available. Find the mounting of your dreams in our Un-Set collection and work with our team to find the perfect stone to compliment it.