<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Offer>
<http://www.samuelsjewelers.com/1-2-carat-t-g-w-blue-sapphire-and-1-10-carat-t-w-diamond-10kt-white-gold-semi-eternity-ring.html>