4.84 Ct Oval Created Ruby 925 Silver Pendant and Earrings Set with 18" Chain Pendant:9x7mm (2CT) With 18" Silver Chain Earrings:8X6mm (2.84CT) 925 Sterling Silver With 18" Sterling Silver Chain Gemstones may have been treated to improve their appearance or durability and may require special care. All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.