<https://www.charlesschwartz.com/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebSite>
<https://www.charlesschwartz.com/shop/vintage-jewelry/rings-vintage-jewelry/art-deco-2-74-carat-old-european-cut-diamond-and-sapphire-platinum-ring/>