{"product_id":"a-very-fine-platinum-18ct-gold-french-marks-diamond-pear-shaped-black-opal-jabot-pin-circa-1920","title":"A very fine Platinum \u0026 18ct Gold  (French marks) Diamond \u0026 Pear Shaped Black Opal Jabot Pin Circa 1920","description":"\u003cp\u003eA very fine Platinum \u0026amp; 18 Ct. Gold  (French marks) Diamond \u0026amp; Pear Shaped \"Black\" Opal Jabot Pin. This exceptional Australian Black Opal is suspended in an articulated claw set mount from an \"Art Nouveau\" stylised terminal  which is \"Pave Set\" with numerous small Round Diamonds and \"Millegrain\" edged; the stylised Diamond Set fastener at the bottom has a \"quarter twist\" lock and release mechanism.\u003c\/p\u003e\n\u003cp\u003eThis is an example of \"Chic\", 1920's Jewellery at its best.\u003c\/p\u003e\n\u003cp\u003eFrench\u003c\/p\u003e\n\u003cp\u003eCirca 1920\u003c\/p\u003e","brand":"Robin Haydock Antique Jewellery","offers":[{"title":"Default Title","offer_id":57944929337731,"sku":"3882","price":3550.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/3616\/7390\/files\/Photo17-04-2026_153947.jpg?v=1777554890","url":"https:\/\/robinhaydockantiques.com\/products\/a-very-fine-platinum-18ct-gold-french-marks-diamond-pear-shaped-black-opal-jabot-pin-circa-1920","provider":"Robin Haydock Antique Jewellery","version":"1.0","type":"link"}