<http://schema.org/description>
"18ct (750\u00B0/oo) white gold ring set with old-mine cut diamonds in prong setting. Total diamond weight : approximately 1ct. \r\nRing size : 49 - J (UK); 4-5/8 (US). \r\nFrench work. \r\nGross weight : 4.4g (0.14oz)"^^<http://www.w3.org/2001/XMLSchema#string>
<https://en.expertissim.com/our-works-of-art-and-antiques/jewellery/grey-gold>