Created Ruby and Diamond Puffed Heart Pendant- Necklace in Sterling Silver on an 18 inch Box Chain Created Rubies and Genuine Diamond Heart Measures 1 inch ( see image 2) 18" Sterling Silver Box Chain All of our diamond suppliers and MLG state that to the best or their/our knowledge that all of our diamonds are conflict free. All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free. Created Rubies and Genuine Diamond Heart Measures 1 inch ( see image 2) 18&#034; Sterling Silver Box Chain All of our diamond suppliers and MLG state that to the best or their/our knowledge that all of our diamonds are conflict free.