Diamond Website with design your ring and integration with rapnet -- multicurrency global shipping

Seeking an expert CMS eCommerce developer or development team to build a fully functional SEO friendly eCommerce, front and back-end for a jewelry website like adiamor.com. We need a complete website and e-commerce creation including front end development, back end functionality, Product Management, shopping cart, photo galleries, complete administrative features, search function, marketing features, e-mail list manager, social media integration, search engine friendly, and content management system. We are open to any open source CMS/eCommerce or custom PHP e-commerce platform as long as it will function like [login to view URL] or [login to view URL] along with a product and content management system. WE are also open to an open source CMS eCommerce platform that has already many available plugins/extensions/modules/widgets/etc. for options for shipping methods and transaction gateways. - A powerful layered, faceted and filtered navigation feature built in a search engine friendly manner where we can define, add and delete the attributes. - Easy to use back end product and content management system. - SEO and SEF If you look at these jewelry website, these products have multiple categories, subcategories, layered and filtered search options. For example: main category (5 options), sub-section 1 (seven options), sub sub-section 1, (12 options), sub-section 2 (5 options), sub sub-section 2 (seven options). ***IMPORTANT*** - I will only respond to bids that include: - Bid Amount - Suggested e-commerce solution platform and why - Timeline - Any additional added upgrades and expected added costs / upgrades, if any - Links to jewelry websites or equivalent features - Please start your response with the phrase 'jewelry website' Thank you and we look forward to reviewing all [login to view URL] Project Description: It is also important you understand SEO because this is a complete redesign of an existing website and we need to carefully preserve as much of the top ranking pages and keywords. You will need to create the proper 301 redirects so we don't lose any value of our ranked pages. Skills required: Anything Goes, CMS, eCommerce, PHP, SEO Ideally we would like to host the site on GAE --- Please consider that before responding.-- Though we said PHP It will not work on GAE -- Example of GAE hosted site -- [login to view URL] ---- But we are open to other platforms