<http://schema.org/description>
"18ct yellow and white gold (750\u00B0/oo) cluster ring centering an oval-cut sapphire of approximately 1ct. Surround of brilliant-cut diamonds for a total weight of approximately 0.60ct. \r\nRing size : 53 -  M-1/2 (UK); 6-1/4 (US)\r\nFrench work\r\nGross weight : 3 g (0.1oz)"^^<http://www.w3.org/2001/XMLSchema#string>
<https://en.expertissim.com/our-works-of-art-and-antiques/jewellery/saphir>