<https://www.labtika.com/product/3-12carat-round-lab-diamond-vvs2-e-igi-certificate/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.labtika.com/product/3-12carat-round-lab-diamond-vvs2-e-igi-certificate/>