<http://schema.org/description>
"18ct (750\u00B0/oo) yellow gold ring set with an oval-cut sapphire of 4.37cts with brilliant-cut diamond shoulders.\r\nRing size : 51.5 - K-1/2 (UK); 5-3/8 (US)\r\nGross weight : 7.7g (0.25oz)"^^<http://www.w3.org/2001/XMLSchema#string>
<https://en.expertissim.com/our-works-of-art-and-antiques/jewellery/saphir>