Sterling Silver Twogether Two-Stone Diamond Heart Necklace. This diamond necklace has two round diamonds totaling .06cttw, set in an entwined sterling silver heart design. Comes with an 18 inch sterling silver box chain. Part of the Twogether collection. When ONE plus ONE equals US, twogether diamond jewelry is designed to celebrate the Twoday, Twonight and Twomorrow of your relationship. 5Q