Price listed is for 8 preset stones. These are clear acrylic faceted heart rhinestones that are preset in gold cinch mount settings. The heart has a faceted top and pointed back, and measures about 8mm by 8mm. The setting measures about 16mm by 9mm, including the loops at the top and bottom. The inside of the loops measure about 1.1mm. You should be able to open the setting and replace the stone should you want to. However, the settings were not meant to be opened and closed again and again, and doing so may result in damage to the setting.