10k White Gold Created Gemstone and Diamond-Accent Pendant Necklace, 18" 10k white gold necklace with created-gemstone center stone surrounded by diamond accents Rope chain with spring-ring closure 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. Imported All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.