Sterling Silver Mother and Child Diamond Heart Pendant-Necklace on an 18 inch Chain 6 Diamonds = .03ct total weight 18" Sterling Chain The heart measures 18mm ( just under 3/4) inch Sterling Silver is Rhodium Finished All of our diamond suppliers and MLG state that to the best or their/our knowledge that all of our diamonds are conflict free. 6 Diamonds = .03ct total weight 18&#034; Sterling Chain The heart measures 18mm ( just under 3/4) inch Sterling Silver is Rhodium Finished All of our diamond suppliers and MLG state that to the best or their/our knowledge that all of our diamonds are conflict free.