{"product_id":"a-very-fine-art-deco-platinum-15ct-white-gold-tested-4-55-carat-diamond-plaque-brooch-with-open-strap-work","title":"A very fine, Art Deco, Platinum \u0026 15ct White Gold (tested), 4.55 Carat Diamond Plaque Brooch with open strap work.","description":"\u003cp\u003eA very fine, Art Deco, Platinum \u0026amp; 15ct, White Gold (tested), 4.55 Carat Diamond Plaque Brooch, in a stylised oblong design with open strap work which is Mille Grain edged, A central rub-over set Old European Cut Diamond of approximately 0.55 Carats, G Colour \u0026amp; I1 Clarity, surrounded by 132 Old European Cut, Single Cut \u0026amp; Transition Cut Natural Diamonds, assessed in their mounts as 4.00 carats (total), of G-H Colour and SI1 - SI2 Clarity. Weights are approximate due to settings.\u003cbr\u003e  \u003cbr\u003eThis beautiful brooch is accompanied by an independent gemmologist's report confirming the above assessment.\u003c\/p\u003e\n\u003cp\u003eEnglish\u003c\/p\u003e\n\u003cp\u003eCirca 1930\u003c\/p\u003e","brand":"Robin Haydock Antique Jewellery","offers":[{"title":"Default Title","offer_id":58412610191747,"sku":"5890","price":9850.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/3616\/7390\/files\/Photo02-07-2026_154729.jpg?v=1783432653","url":"https:\/\/robinhaydockantiques.com\/products\/a-very-fine-art-deco-platinum-15ct-white-gold-tested-4-55-carat-diamond-plaque-brooch-with-open-strap-work","provider":"Robin Haydock Antique Jewellery","version":"1.0","type":"link"}