Amazon, Wal-Mart, and other e-commerce giants are doing a staggering job of leveraging their browser history to keep targeting their products with their products.
As you know, very few customers buy an item when they Jewelry Retouching Service first see the item list. Many shoppers view the list, leave, return after a few hours, leave again, and finally make a purchase between the next 24-72 hours. (In some cases, it will occur days or weeks later.)
You can always keep these products in mind by prominently displaying the products you have viewed before to your customers. One of the best ways to do this is to display a small banner or prompt during the checkout process. You can also combine