{"title":"Blue John Necklaces","description":"\u003ch3\u003e\u003cspan\u003eOur Blue John necklaces range\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Blue John necklaces range here at Avanti brings together natural beauty, local heritage and timeless jewellery design. Known for its distinctive purple, blue and golden tones, Derbyshire Blue John is a truly special gemstone, making each necklace feel individual and full of character.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTake a look at our elegant Blue John pendant necklaces, or choose a classic sterling silver design for a meaningful piece you can wear every day. For something with a more traditional feel, perhaps opt for an oval, teardrop or statement pendant that beautifully showcases the natural patterning of the stone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePerfect for birthdays, anniversaries, Christmas gifts or a thoughtful keepsake from Derbyshire, a Blue John necklace makes a beautiful gift with a story behind it. Featuring quality craftsmanship, polished silver settings and naturally unique gemstones, our Blue John necklaces are ideal for anyone who loves jewellery with colour, charm and heritage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAlso available at Avanti\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFor more Derbyshire Blue John jewellery, take a look at our \u003ca href=\"https:\/\/avantijewellers.co.uk\/collections\/blue-john-earrings\"\u003eBlue John earrings\u003c\/a\u003e, Blue John rings or full \u003ca href=\"https:\/\/avantijewellers.co.uk\/collections\/blue-john-jewellery\"\u003eBlue John jewellery\u003c\/a\u003e collection. You can also explore our sterling silver necklaces, gemstone jewellery and gifts for her for more meaningful jewellery ideas.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"derbyshire-blue-john-jewellery-silver-collar-necklet-with-double-blue-john-ends","title":"Silver Collar\/ Necklet With Double Blue John Ends","description":"\u003cp\u003eA stunning crossover silver necklet with double pear shape ends set with blue john (one larger and one smaller). This necklet twists at the back to allow getting the necklace off and on easily and securely.\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":56787993035083,"sku":"NLS3215","price":420.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/1471347095-20333200.jpg?v=1773995032"},{"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"},{"product_id":"derbyshire-blue-john-jewellery-large-silver-blue-john-pendant-and-chain","title":"Large Oval Blue John Necklace in Sterling Silver","description":"\u003cp\u003e18 inch silver chain teamed with a large oval blue john pendant. The oval pendant measures 30mm x 23mm excluding the bale. The chain is a filed curb style which is 1.7mm wide approximately.\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":56788004012363,"sku":"PS2755 + CS3882","price":176.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/Large-Silver-Blue-John-Pendant-and-Chain-1.jpg?v=1775054155"},{"product_id":"derbyshire-blue-john-jewellery-silver-blue-john-cross-pendant-and-chain-ps30134-cs3933","title":"Silver Blue John Cross Pendant and Chain","description":"\u003cp\u003e16\"-18\" adjustable silver spiga chain teamed with a blue john set cross pendant.\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":56788009222475,"sku":"PS30134 + CS3933","price":130.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/Silver_Blue_John_Cross_Pendant_and_Chain1.jpg?v=1776775801"},{"product_id":"derbyshire-blue-john-jewellery-silver-blue-john-pendant-and-chain","title":"Silver Blue John Pendant and Chain","description":"\u003cp\u003eSilver tear drop shape with pinched bottom pendant set with blue john, teamed with a 16\"-18\" adjustable spiga chain.\u003ca href=\"https:\/\/www.avantijewellers.co.uk\/blue-john-t27\"\u003e\u003c\/a\u003e\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":56788228997451,"sku":"PS1868 + CS3933","price":135.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/1769591515-38000500.jpg?v=1775211677"},{"product_id":"derbyshire-blue-john-jewellery-small-silver-round-blue-john-pendant-and-chain","title":"Small Silver Round Blue John Pendant and Chain","description":"\u003cp\u003eSmall round silver pendant set with blue john, teamed with an fine trace chain which can be worn at 16-18\" length. (contact us if you require a different length chain)Blue John stone may vary to image shown\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":56788232700235,"sku":"PS1636 + CS3927","price":85.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/Small_Silver_Round_Blue_John_Pendant_and_Chain_1.jpg?v=1776330221"},{"product_id":"derbyshire-blue-john-jewellery-small-silver-oval-blue-john-pendant-and-chain","title":"Small Silver Oval Blue John Necklace","description":"\u003cp\u003eSmall oval silver pendant set with blue john, teamed with a fine trace chain that can be worn at 16\" or 18\". This pendant is available to order in 9ct yellow gold white gold or rose gold.\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":56788235551051,"sku":"0000347 + CS3927","price":85.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/Small_Silver_Oval_Blue_John_Necklace_1.jpg?v=1776330094"},{"product_id":"derbyshire-blue-john-jewellery-round-double-sided-silver-blue-john-pendant","title":"Round Double Sided Silver Blue John Pendant","description":"\u003cp\u003eSilver double sided blue john round chunky pendant with a fine 16\"-18\" adjustable spiga chain (1.3mm thick)\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":56788338737483,"sku":"PS3541 + CS3933","price":170.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/Round_Double_Sided_Silver_Blue_John_Pendant_1.jpg?v=1776330811"},{"product_id":"derbyshire-blue-john-jewellery-large-silver-reverse-teardrop-blue-john-pendant","title":"Large Silver Reverse Teardrop Blue John Necklace","description":"\u003cp\u003eIntroducing a striking Large Silver Reverse Teardrop Blue John Pendant, adorned with the captivating hues of Blue John stone, suspended gracefully from an 18\" sterling silver Spiga Chain. \u003c\/p\u003e\n\u003cp\u003eBlue John, a semi-precious mineral found exclusively in the Derbyshire Dales of England, boasts a natural spectrum of mesmerizing blues, purples, and yellows, formed through the intricate geological processes over millions of years. Its unique patterns and colours create an enchanting visual tapestry within the pendant, making each piece truly one-of-a-kind. \u003c\/p\u003e\n\u003cp\u003eCrafted into a reverse teardrop shape, the pendant exudes a timeless allure, drawing the eye with its graceful curves and dynamic presence. The sterling silver setting enhances the stone's natural beauty, providing a harmonious contrast and ensuring durability for years to come. \u003c\/p\u003e\n\u003cp\u003eThe pendant hangs delicately from the Spiga Chain, renowned for its intricate woven design that adds a touch of refinement to any ensemble. With its 18-inch length, the chain gracefully accentuates the neckline, allowing the Blue John pendant to take centre stage. \u003c\/p\u003e\n\u003cp\u003eThis exquisite piece not only serves as a stunning accessory but also carries the rich history and geological wonder of Blue John stone, making it a cherished addition to any jewellery collection. \u003c\/p\u003e\n\u003cp\u003eLarge silver reverse teardrop blue john pendant (37mm x 21mm excluding bale) with an 18\" chain (1.3mm thick)\u003c\/p\u003e\n\u003cp\u003eThe only place in the world where Blue John mined, is in Derbyshire, the heart of the Peak district. With its unusual blues, purples and brown streaks, no piece of Blue John is the same!\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":56788340408651,"sku":"PS3331 + CS2941","price":165.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/Large_Silver_Reverse_Teardrop_Blue_John_Necklace_1.jpg?v=1776330552"},{"product_id":"derbyshire-blue-john-jewellery-marquise-shape-silver-blue-john-pendant-and-chain","title":"Marquise Shape Silver Blue John Pendant and Chain","description":"\u003cp\u003eA marquise shape silver pendant set with blue john, teamed with an 16\"-18\" adjustable spiga chain.\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":56788355776843,"sku":"PS2754 + CS3933","price":105.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/1769685980-49367800.jpg?v=1773995859"},{"product_id":"derbyshire-blue-john-jewellery-small-silver-short-wide-teardrop-blue-john-pendant-and-chain-ps1885-cs3927","title":"Small Silver Short, Wide Teardrop Blue John Necklace","description":"\u003cp\u003eSmall silver short, wide teardrop pendant set with blue john, teamed with an 18\" fine trace chain that can also be worn at 16\".\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":56788356628811,"sku":"PS1885 + CS3927","price":93.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/1770109287-07150800.jpg?v=1773995866"},{"product_id":"derbyshire-blue-john-jewellery-silver-tapered-ingot-blue-john-pendant-and-chain","title":"Silver Tapered Ingot Blue John Pendant and Chain","description":"\u003cp\u003eSilver tapered ingot pendant set with blue john, teamed with an 18\" fine trace chain.\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":56788357972299,"sku":"PS22178 + CS3927","price":96.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/1770109011-68733600.jpg?v=1773995873"},{"product_id":"derbyshire-blue-john-jewellery-silver-necklace-with-oval-derbyshire-blue-john-stone","title":"Silver Necklace With Oval Derbyshire Blue John Stone","description":"\u003cp\u003eA simple oval necklace set with Blue John on a fixed 16\" belcher chain\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":56788710031691,"sku":"DS1812","price":145.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/1770112828-50267600.jpg?v=1773997184"},{"product_id":"derbyshire-blue-john-jewellery-blue-john-round-silver-with-st-christopher-necklace-on-reverse-15mm","title":"Blue John Round Silver with St Christopher Necklace on Reverse","description":"\u003cp\u003eA round Blue John pendant set in silver with a St Christopher back teamed with a fine 16\"-18\" adjuster trace chain.\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\n\u003cp\u003ePlease contact us for alternative chain styles and lengths (price many vary)\u003c\/p\u003e","brand":"Derbyshire Blue John Jewellery","offers":[{"title":"Default Title","offer_id":56788710687051,"sku":"01355000172 + CS3927","price":110.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/Blue_John_Round_Silver_with_St_Christopher_Necklace_on_Reverse_1.jpg?v=1778845178"},{"product_id":"derbyshire-blue-john-jewellery-9ct-yellow-gold-pendant-with-round-blue-john","title":"9ct Yellow Gold Pendant With Round Blue John","description":"\u003cp\u003eA 9ct yellow gold pendant set with Derbyshire's Blue John stone. If you would like to purchase a chain with this pendant, please get in touch and we will happily assist. \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. \u003cspan style=\"text-decoration: line-through;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Derbyshire Blue John Jewellery","offers":[{"title":"Default Title","offer_id":56789729018187,"sku":"PY3931","price":215.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/9ctYellowGoldPendantWithRoundBlueJohn.jpg?v=1774536252"},{"product_id":"derbyshire-blue-john-jewellery-long-silver-irregular-triangular-pendant-set-with-blue-john-in-an-adjustable-spiga-chain","title":"Long Silver Irregular Triangular Pendant Set with Blue John, in an Adjustable Spiga Chain","description":"\u003cp\u003eA long silver irregular triangular pendant set with Blue John on an adjustable spiga chain, between 16\"-18\".\u003c\/p\u003e\n\u003cp\u003eBlue John stone may vary to image shown\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Derbyshire Blue John Jewellery","offers":[{"title":"Default Title","offer_id":56790327525707,"sku":"PS38106 \u0026 CS3946","price":185.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/Long_Silver_Irregular_Triangular_Pendant_Set_with_Blue_John_in_an_Adjustable_Spiga_Chain_1.jpg?v=1776330511"},{"product_id":"derbyshire-blue-john-jewellery-large-silver-blue-john-teardrop-pendant-on-a-22-spiga-chain","title":"Large Silver Blue John Teardrop Pendant on a 22\" Spiga Chain","description":"\u003cp\u003eA large Blue John teardrop pendant on a 22\" spiga chain. \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":56790330310987,"sku":"PS3987 \u0026 CS3949","price":290.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/1769598488-31604900.jpg?v=1776779243"},{"product_id":"derbyshire-blue-john-jewellery-large-oval-silver-blue-john-pendant-on-a-22-spiga-chain","title":"Large Oval Silver Blue John Pendant on a 22\" Spiga Chain","description":"\u003cp\u003eA large oval piece of Derbyshire Blue John set in silver with a hidden bale, on a 22\" spiga chain.\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":56790330605899,"sku":"PS3986 \u0026 CS3949","price":382.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/1769598017-72169600.jpg?v=1773999219"},{"product_id":"derbyshire-blue-john-jewellery-derbyshire-blue-john-silver-teardrop-pendant-with-adjustable-spiga-chain","title":"Derbyshire Blue John Silver Teardrop Necklace","description":"\u003cp\u003eDerbyshire Blue John silver teardrop pendant on a 16\"- 18\" spiga chain.\u003c\/p\u003e\n\u003cp\u003eBlue John stone may vary to image shown.\u003c\/p\u003e","brand":"Derbyshire Blue John Jewellery","offers":[{"title":"Default Title","offer_id":56790334308683,"sku":"PS3988 \u0026 CS3946","price":290.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/Derbyshire_Blue_John_Silver_Teardrop_Necklace_1.jpg?v=1779959847"},{"product_id":"derbyshire-blue-john-jewellery-round-blue-john-double-sided-pendant-with-butterflies-on-a-16-18-spiga-chain","title":"Round Blue John Double-Sided Pendant with Butterfly Design on 16–18\" Spiga Chain","description":"\u003cp\u003eA silver round Blue John pendant with silver butterfly outlines on one side and plain piece of Blue John on the other. This pendant is teamed with a an adjustable spiga chain 16\"- 18\".\u003c\/p\u003e\n\u003cp\u003eBlue John stone may vary to image shown.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePlease contact us and we can email or WhatsApp extra images.\u003c\/p\u003e","brand":"Derbyshire Blue John Jewellery","offers":[{"title":"Default Title","offer_id":56790337618251,"sku":"PS3993 \u0026 CS3933","price":150.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/Round_Blue_John_Double_Sided_Pendant_with_Butterflies_on_a_16_-_18_Spiga_Chain_1.jpg?v=1776330475"},{"product_id":"derbyshire-blue-john-jewellery-pear-shaped-blue-john-pendant-in-silver-on-adjustable-chain","title":"Pear Shaped Blue John Necklace","description":"\u003cp\u003eA Blue John pear shaped pendant set in silver on an adjustable spiga chain.\u003c\/p\u003e\n\u003cp\u003eBlue John stone may vary to image shown.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePlease contact us and we can email or WhatsApp extra images.\u003c\/p\u003e","brand":"Derbyshire Blue John Jewellery","offers":[{"title":"Default Title","offer_id":56790388932939,"sku":"PS30133 \u0026 CS3933","price":130.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/Pear_Shaped_Blue_John_Necklace_1.jpg?v=1776330877"},{"product_id":"derbyshire-blue-john-jewellery-9ct-yellow-gold-and-derbyshire-blue-john-oval-pendant-and-chain","title":"9ct Yellow Gold and Derbyshire Blue John Oval Pendant and Chain","description":"\u003cp\u003eA 9ct yellow gold Derbyshire blue john long oval pendant teamed with a fine trace chain that can be worn at 16\" or 18\". \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":56792855904587,"sku":"PY3540 + CY3922","price":525.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/1769597472-58997000.jpg?v=1775211774"},{"product_id":"derbyshire-blue-john-jewellery-9ct-yellow-gold-blue-john-round-pendant-with-trace-chain","title":"9ct Yellow Gold Blue John Round Necklace","description":"\u003cp\u003eA 9ct yellow gold round pendant set with Derbyshire's Blue John teamed with an 18\" trace chain. This chain can also be worn at 16\".\u003c\/p\u003e\n\u003cp\u003eBlue John is a natural mineral therefore the stone may have natural surface inclusions. \u003c\/p\u003e","brand":"Derbyshire Blue John Jewellery","offers":[{"title":"Default Title","offer_id":56793335038283,"sku":"PY067 + CY3922","price":390.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/6336\/5707\/files\/derbyshire-blue-john-jewellery-9ct-yellow-gold-blue-john-round-pendant-with-trace-chain-p4965-36633_image.jpg?v=1774535390"}],"url":"https:\/\/avantijewellers.co.uk\/collections\/blue-john-necklaces.oembed","provider":"Avanti Jewellery","version":"1.0","type":"link"}