<http://schema.org/description>
"18ct (750\u00B0/oo) white gold cluster ring set with an oval-cut emerald within brilliant-cut diamond surround.\r\n\r\nRing size : 54 - N (UK); 6-1/2 (US)\r\n\r\nGross weight : 5g (0.16oz).\r\n\r\nSupposed colour of diamonds : MZ.\r\nSupposed clarity  of diamonds : SI.\r\nEmerald dimensions : approx.  10.2 x 7.9 x 4.8mm. Approx. 2ct weight."^^<http://www.w3.org/2001/XMLSchema#string>
<https://en.expertissim.com/our-works-of-art-and-antiques/jewellery/grey-gold>