{"product_id":"1970s-18ct-platinum-opal-diamond-cluster-ring","title":"1970's 18ct \u0026 Platinum Opal \u0026 Diamond Cluster Ring","description":"Vintage 1970's oval cluster ring set with a central oval cabouchon opal measuring 8mm x 6.5mm with a surround of sixteen Swiss cut diamonds.  Mounted in 18ct yellow gold with platinum claw settings to the opal and cut down platinum settings to the diamonds.  Stamped inside shank 18CT \u0026amp; PLAT \u0026amp; makers mark for Cropp \u0026amp; Farr.  Finger size M.  Overall the cluster measures 11.7mm x 8.6mm.\u003cp\u003ePlease Note:  The opal is slightly worn.\u003cbr\u003ePLEASE NOTE:  This item is not in the centre\u003c\/p\u003e","brand":"Antiques Centre York 10","offers":[{"title":"Default Title","offer_id":57528687067518,"sku":"11-PH2335\/6","price":550.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0025\/9253\/8739\/files\/aveOM1hy2w.jpg?v=1781020808","url":"https:\/\/theantiquescentreyork.co.uk\/products\/1970s-18ct-platinum-opal-diamond-cluster-ring","provider":"Antiques Centre York","version":"1.0","type":"link"}