32.4 grams. According to the query Tiffany &；; According to the information released by Co. Tiffany in official website, China, Tiffany's classic 1837 sterling silver bracelet is heavy and beautiful, with strong texture, with a size of 7mm and a weight of 32.4g. Tiffany is an American jewelry brand. 1837, the first Tiffany boutique opened in new york, 1837, the first Tiffany boutique opened in new york.