It comes on a white gold 18k white gold chain that is 18 long and 3 mm wide. The pendant weighs 14.4 grams itself and the chain weighs 3.2 grams. This item is pre-owned and may have scratches due to wear, however; it is in good condition. Please carefully view the pictures, as they are of the exact item that you are purchasing.I value your feedback and business. The item "Antique 18KT Rose & White Gold GIA Cert 29.33 CT Aquamarine Heart Pendant" is in sale since Friday, October 16, 2020. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Gemstone". The seller is "tigris4gold" and is located in Knoxville, Tennessee. This item can be shipped to United States.