{"id":490972,"date":"2023-02-18T14:25:15","date_gmt":"2023-02-18T14:25:15","guid":{"rendered":"https:\/\/www.antiquejewellerycompany.com\/au\/?post_type=product&#038;p=490972"},"modified":"2025-10-30T19:26:08","modified_gmt":"2025-10-30T19:26:08","slug":"edwardian-18ct-gold-platinum-old-mine-cut-diamond-sapphire-crossover-ring","status":"publish","type":"product","link":"https:\/\/www.antiquejewellerycompany.com\/au\/shop\/edwardian-18ct-gold-platinum-old-mine-cut-diamond-sapphire-crossover-ring\/","title":{"rendered":"Edwardian 18ct Gold &#038; Platinum, Rectangular Diamond &#038; Sapphire Crossover Ring"},"content":{"rendered":"<p>A charming 18ct yellow gold and platinum crossover ring that was made circa 1910-1920. It has been claw set in platinum with an unusual antique rectangular cut diamond and claw set in 18ct yellow gold with a beautiful royal blue square cut sapphire. On either side are small graduated single cut diamonds set in platinum. This ring is in the Art Nouveau style that was so popular at that time and still looks amazing today. It would make a wonderful engagement ring.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A charming 18ct yellow gold and platinum crossover ring that was made circa 1910-1920. It has been claw set in platinum with an unusual antique rectangular cut diamond and claw set in 18ct yellow gold with a beautiful royal blue square cut sapphire. On either side are small graduated single cut diamonds set in platinum. [&hellip;]<\/p>\n","protected":false},"featured_media":1000000902898,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[],"product_tag":[],"class_list":{"1":"product","6":"type-vintage-engagement-rings","7":"type-vintage-rings","8":"period-art-nouveau","9":"period-edwardian","10":"ollys-picks-all","11":"material-diamond","12":"material-gold","13":"material-metals","14":"material-platinum","15":"material-precious-stones","16":"material-sapphire","17":"collection-christmas-gifts","18":"collection-coronation","19":"collection-gifts-for-her","20":"collection-showstoppers","21":"ring-styles-crossover","22":"ring-central-stone-diamond","23":"birthstone-april-birthstone","25":"first","26":"instock","27":"shipping-taxable","28":"purchasable","29":"product-type-simple"},"acf":[],"yoast_head":"<title>Edwardian 18ct Gold &amp; Platinum, Rectangular Diamond &amp; Sapphire Crossover Ring (127U) | The Antique Jewellery Company<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.antiquejewellerycompany.com\/au\/shop\/edwardian-18ct-gold-platinum-old-mine-cut-diamond-sapphire-crossover-ring\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Edwardian 18ct Gold &amp; Platinum, Rectangular Diamond &amp; Sapphire Crossover Ring\" \/>\n<meta property=\"og:description\" content=\"A charming 18ct yellow gold and platinum crossover ring that was made circa 1910-1920. 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