<http://schema.org/itemOffered>
"Ceylon Yellow Emerald Cut Sapphire Pair 7x5mm  2.28cts"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.simplysapphires.com/yellow/ceylon-yellow-emerald-cut-pair-7x5mm-2.28cts?cPath=154>