Gold & Stone Necklace: Express your love with this gold-plated granulated heart and a tiny round-cut ruby heart that is also gold-plated. Included is an 18-inch chain. handcrafts beautiful pendants utilizing the age-old technique of granulation, following in the footsteps of ancient goldsmiths. It takes years of experience to granulate with the purest metals. It can take weeks to make enough by hand for a single item of jewelry. Next, one by one, each granule is inserted.