<https://www.diamondreview.com/forum/topic/11093-advice-please-round-brilliant-vs2-112-carat/#comment-59317>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.diamondreview.com/forum/topic/11093-advice-please-round-brilliant-vs2-112-carat/>