Vintage 10k Gold and Diamond Heart Pendant. Stamped on the back with 10k and hallmark. Gold was tested with Auracle gold tester and diamonds with Presidium gem tester (see photos) the diamonds are Not chips they are brilliant round cut diamonds. This pendant is pure 10k gold NOT plated, foiled, or filled!!!!!! It is 1.2 grams. Please see pictures for additional information on size and measurements