{"product_id":"18ct-yellow-gold-platinum-3-5ct-natural-sapphire-diamond-cluster-ring-circa-1910-1920","title":"18ct Yellow Gold \u0026 Platinum 3.5ct Natural Sapphire \u0026 Diamond Cluster Ring Circa 1910\/1920","description":"\u003cp\u003eOne fine 18ct Yellow Gold and Platinum (tested) Oval Sapphire and Diamond Cluster Ring, centrally \"Rub-over Set\" with one \"Oval Cut\" Natural Untreated Sapphire, weighing 3.50cts (un-weighed), surrounded by 28 \"Pave Set\" \"Sinlge Cut\" Diamonds in a thin oval band around the Sapphire. All on a fine Platinum Shank (band).\u003c\/p\u003e\n\u003cp\u003eEnglish Circa 1910\/1920.\u003c\/p\u003e\n\u003cp\u003eIndependently assessed and certificated by a Gemmologist\u003c\/p\u003e","brand":"Robin Haydock Antique Jewellery","offers":[{"title":"Default Title","offer_id":57763188343171,"sku":"4519","price":12850.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/3616\/7390\/files\/Photo02-04-2026_141611.jpg?v=1775820021","url":"https:\/\/robinhaydockantiques.com\/products\/18ct-yellow-gold-platinum-3-5ct-natural-sapphire-diamond-cluster-ring-circa-1910-1920","provider":"Robin Haydock Antique Jewellery","version":"1.0","type":"link"}