<http://schema.org/itemOffered>
"Ceylon Cushion Cut Blue Sapphire 1.64 Cts 7.3x6.1x4.3mm"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.simplysapphires.com/blue/ceylon-cushion-cut-blue-sapphire-1.64-cts-7.3x6.1x4.3mm>