Sterling Silver Two-Tone Pave Double Heart Simulated Diamond Necklace. This precious design features 21 round simulated diamonds totaling .45cttw pave set in a platinum bonded sterling heart design. Accented by a second free moving yellow gold heart. All stones are set in platinum bonded sterling silver. All stones and finishes are covered by full manufacturers warranty. Necklace measures 18 inches in length and is adjustable.