<http://schema.org/itemOffered>
"Burma Blue Star Sapphire - 9.50 cts - 12.8x10.6mm"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.simplysapphires.com/stars/burma-blue-star-sapphire-9.50-cts-12.8x10.6mm>