One - 39ss and 12mm Empty Cup Chain Necklace setting for Jewelry Makers. Setting is Yellow Gold and will hold 8mm and 12mm Swarovski or compatible gem or rivoli. You will receive one (1) empty necklace centerpiece setting for you to finish as you like. NOTE: Gems and chain are NOT included and are shown for Illustrative purposes.Rivoli is round cushion cut is square I offer fast shipping. Same Day or Next Day Shipping because I know when you need a supply you don't want to wait weeks to get it.