{"product_id":"fine-black-opal-diamond-cluster-ring-pre-owned-ring-size-uk-k","title":"Fine Black Opal \u0026 Diamond Cluster Ring\nPre-Owned | Ring Size: UK K½","description":"\u003cp\u003e\u003cspan\u003eMysterious and enchanting, opals have long been celebrated as the “stone of fire”, prized for their shifting colours that seem to capture all the beauty of a rainbow within a single gem. This vintage-style cluster ring captures that magic, with a black opal alive with vivid flashes of red, orange, green, and blue, changing with every movement of the hand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe opal is surrounded by a halo of bright old-cut diamonds, each set in platinum to enhance their sparkle, creating a timeless flower-head design. The band is crafted in rich yellow gold, its warm tones contrasting beautifully with the cool brilliance of the platinum settings and diamonds.\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePlease note: the opal shows a small natural potch mark (an area of the host rock without colour), visible on close inspection. Potch is common in natural opals and does not affect the durability or overall beauty of the stone — it simply reflects its genuine origin. This has been reflected in the price.\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCentre Stone: Black Opal (oval cabochon) with strong play-of-colour\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSurround: Old-cut diamonds, approx. 0.50ct total\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMetal: Tested as 18ct yellow gold (band) and platinum (settings) – unhallmarked\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRing Size: UK K½ \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCondition: Pre-owned, very good (with natural opal inclusion noted)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOur Price: £1,950\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(Comparable retail: £2,500 – £3,000)\u003c\/span\u003e\u003c\/p\u003e","brand":"Hallam \u0026 Sons","offers":[{"title":"Default Title","offer_id":51815923614033,"sku":null,"price":1950.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/9334\/1265\/files\/E520C395-F645-46BF-A881-EF3910BEA945.jpg?v=1773760681","url":"https:\/\/hallamandsons.com\/products\/fine-black-opal-diamond-cluster-ring-pre-owned-ring-size-uk-k","provider":"Hallam \u0026 Sons","version":"1.0","type":"link"}