Luxury jeweler Tiffany & Co. has debuted an iPhone application that merges mobile and interactive shopping for consumers who are looking to select an engagement ring. The Tiffany & Co. Engagement Ring ...

While Tiffany & Co. does not have a buy-back program, Tiffany does have an upgrade program for engagement rings. Tiffany will give you store credit equal to your original purchase price, which you ...

And for those looking to pop the question, the new locale has an All About Love section dedicated to the jeweler’s engagement rings. Downstairs at Tiffany’s first flagship in Brazil.