One - Diamond Shaped Empty Cup Chain Necklace setting for Jewelry Makers. Setting is Antique Brass and will hold 12mm Swarovski Rivoli or compatible gem. You will receive one (1) empty necklace centerpiece setting for you to finish as you like. Centerpiece approximately 1 inchNote: Crystals and chain are NOT included and are shown for Illustrative purposes.lead freeI 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.