Online retailer Amazon.com’s list of its top selling items for the year 2010 includes a an 18-inch sterling silver amethyst butterfly pendant in the jewellery category and Invicta women's square angle diamond stainless steel chronograph watch. %% The pendant was tagged at price below $30. Besides the watch and jewellery categories, the retailer also included books, movies, music, and household items in its top selling list.