<http://schema.org/description>
"Diamonds are beautiful and popular - but not everyone can afford these gems. While man-made versions are less expensive, most lack the luster and brilliance of the real thing, except moissanite. See how it compares!"^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/environmental/earth/geology/moissanite.htm>