{"product_id":"derbyshire-blue-john-jewellery-silver-20-large-derbyshire-blue-john-necklace","title":"Blue John Large Circular Necklace","description":"\u003cp\u003eSilver 20\" filed curb chain (1.8mm wide) and a chunky round double sided blue john pendant. The pendant diameter is approximately 29mm and 6mm deep with large hallmarks on the bottom.\u003c\/p\u003e\n\u003cp\u003eBlue John is a natural mineral therefore the stone may have natural surface inclusions and colours may vary to the image shown. \u003c\/p\u003e","brand":"Derbyshire Blue John Jewellery","offers":[{"title":"Default Title","offer_id":56787996049739,"sku":"PS3542 + CS3043","price":265.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/Blue_John_Large_Circular_Necklace_1.jpg?v=1776419248","url":"https:\/\/avantijewellers.co.uk\/products\/derbyshire-blue-john-jewellery-silver-20-large-derbyshire-blue-john-necklace","provider":"Avanti Jewellery","version":"1.0","type":"link"}