{"product_id":"a-very-fine-18-ct-yellow-gold-platinum-tested-square-cut-sapphire-diamond-cluster-ring-circa-1930","title":"A very fine 18 ct Yellow Gold \u0026 Platinum (tested), Square Cut Sapphire \u0026 Diamond Cluster Ring. Circa 1930","description":"\u003cp\u003eA very fine 18 ct Yellow Gold \u0026amp; Platinum (tested), Square Cut Sapphire \u0026amp; Diamond Cluster Ring. The central rub-over set, Square Cut Sapphire has been assessed (in its mount), as approximately 0.75 Carats (unweighed), surrounded by 16 Eight Cut round Diamonds in granualted settings.\u003c\/p\u003e\n\u003cp\u003eCirca 1930\u003c\/p\u003e","brand":"Robin Haydock Antique Jewellery","offers":[{"title":"Default Title","offer_id":57763960160643,"sku":"4343","price":2280.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/3616\/7390\/files\/Photo_02-04-2026_14_32_06.jpg?v=1775827084","url":"https:\/\/robinhaydockantiques.com\/products\/a-very-fine-18-ct-yellow-gold-platinum-tested-square-cut-sapphire-diamond-cluster-ring-circa-1930","provider":"Robin Haydock Antique Jewellery","version":"1.0","type":"link"}