Sterling Silver and Diamond Mom in Heart Pendant-Necklace 1 Genuine Diamond 18 inch Sterling Silver Chain The heart measures 3/4 inches high. .925 sterling silver- 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. 1 Genuine Diamond 18 inch Sterling Silver Chain The heart measures 3/4 inches high. .925 sterling silver- 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.