Sterling Silver Diamond Heart Pendant Necklace, 18 Inch (1/10 cttw) Sterling silver necklace featuring diamond-inset pendant in swirling open-heart silhouette with round diamond at center 18" rolo chain with lobster-claw clasp All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free. Imported Carat weight listed is the total for all stones.