{"product_id":"victorian-antique-black-opal-and-old-cut-diamond-cluster-engagement-ring","title":"Victorian Antique Black Opal and Old Cut Diamond Cluster Engagement Ring","description":"\u003cp\u003e\u003cspan\u003eVibrant, late 19th century black opal and diamond cluster ring. The round cabochon 7.5mm black opal is surrounded by 0.80 carats of old mine cut diamonds. Set in platinum to 18ct yellow gold. English, Circa 1890.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBlack Opal: 7.5mm diameter\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDiamonds: approx. 0.80 carat total\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHead dimensions: 15.5mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRing size: M (U.S 6.25)\u003c\/span\u003e\u003c\/p\u003e","brand":"DB Gems","offers":[{"title":"Default Title","offer_id":62721693548931,"sku":"DB-8262","price":3750.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/8355\/6483\/files\/20260925_142258.jpg?v=1790764419","url":"https:\/\/jewellerydiscovery.co.uk\/products\/victorian-antique-black-opal-and-old-cut-diamond-cluster-engagement-ring","provider":"Jewellery Discovery","version":"1.0","type":"link"}