{"title":"Lab-Grown Elongated Cushion Diamond Engagement Rings","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eExplore our collection of lab-grown elongated cushion cut diamond engagement rings from Not Mined, handcrafted in 18ct hallmarked gold and made to order in the UK. The elongated cushion cut takes everything loved about the classic cushion — soft corners, romantic light return, vintage character — and stretches it into a rectangular silhouette that flatters the finger and carries a more contemporary edge. Every ring in this collection features an Ideal cut, D colour, VVS+ clarity lab-grown diamond, individually handpicked by our founder and accompanied by an IGI or GIA certificate.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe elongated cushion offers a rare combination: the warmth and pillow-like glow of a traditional cushion cut with the finger-lengthening effect usually reserved for emerald or oval shapes. Its stretched proportions give the stone a larger visual presence on the hand, while the rounded corners keep the overall feel soft and inviting rather than angular. It is a shape for those who want the romance of a cushion with a little more drama and modernity.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThis cut looks exceptional in a solitaire setting where its elongated profile creates a sleek, elegant line, equally striking in a halo design that follows the stone's rectangular contour, and beautifully balanced in a three stone setting flanked by matching side stones. It also suits east-west settings for those who want a truly unconventional look.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eYour experience with Not Mined is as considered as the ring itself. Our founder personally handpicks a selection of diamonds for you to choose from, so every stone is judged on its real-world sparkle and quality — not just a certificate. If you want to go further, you can bespoke design your ring from scratch through a relaxed, non-pushy consultation where we guide you to the right choice without the pressure. From purchase to delivery we keep you updated at every stage — confirmation your diamond has been secured, CAD designs shared during crafting if needed, hallmarking updates, and dispatch notification. We target three to four weeks from order to your door.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eChoosing an elongated cushion engagement ring from Not Mined means choosing modern romance backed by the highest standards. 18ct hallmarked gold, top-grade certified diamonds, fully traceable origins, and pricing that lets you invest in distinctive design rather than an inflated industry markup.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eFind your perfect elongated cushion engagement ring below, or book a free consultation if you would like personal guidance from our team.\u003c\/p\u003e","products":[{"product_id":"elongated-cushion-cut-solitaire","title":"Elongated Cushion Cut Solitaire","description":"\u003cp\u003e\u003cstrong\u003eElongated Cushion Cut Solitaire\u003c\/strong\u003e — A soft, romantic solitaire featuring a hand-picked, certified lab grown elongated cushion diamond with gently rounded corners and brilliant facets.\u003c\/p\u003e\u003cp\u003eThe elongated cushion shape combines the sparkle of a brilliant cut with a softer, more romantic outline. Set in a clean four-claw mount, the stone appears larger than its carat weight and flatters the finger with its gentle proportions.\u003c\/p\u003e\u003cp\u003eEvery centre diamond is hand-picked to our exacting standard: Ideal cut, D colour and VVS clarity or higher — selected not just for certification, but for maximum sparkle and fire with the optimum dimensions. Each elongated cushion is selected for its length-to-width ratio, brilliance and warm, romantic light performance to ensure the most beautiful appearance on the hand.\u003c\/p\u003e\u003cp\u003eQuality and collaboration are at the heart of everything we do. We only use 18k gold for its superior durability and richness of colour — available in yellow gold, white gold or rose gold. Platinum is available on request through our bespoke service. We are happy to hand-pick the perfect diamond for you, or if you prefer more involvement, let us know in advance and we will share a curated selection for you to choose from. For those who want complete control, our bespoke service lets you create your engagement ring from start to finish.\u003c\/p\u003e\u003cp\u003eChoose this for a cushion shape with a finger-lengthening effect — hand-picked to our standard, or design something entirely your own through our bespoke service.\u003c\/p\u003e\u003cp\u003eAvailable with lab grown diamond options from 1.0ct to 3.0ct. Normally ready within 3–4 weeks with free insured UK shipping and 30-day returns on every order.\u003c\/p\u003e","brand":"Not Mined","offers":[{"title":"18k Yellow Gold \/ 1.0ct","offer_id":54008254333269,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-10CT-YG","price":1795.0,"currency_code":"GBP","in_stock":true},{"title":"18k White Gold \/ 1.0ct","offer_id":54008254366037,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-10CT-WG","price":1795.0,"currency_code":"GBP","in_stock":true},{"title":"18k Rose Gold \/ 1.0ct","offer_id":54008254398805,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-10CT-RG","price":1795.0,"currency_code":"GBP","in_stock":true},{"title":"18k Yellow Gold \/ 1.5ct","offer_id":54008254431573,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-15CT-YG","price":2250.0,"currency_code":"GBP","in_stock":true},{"title":"18k White Gold \/ 1.5ct","offer_id":54008254464341,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-15CT-WG","price":2250.0,"currency_code":"GBP","in_stock":true},{"title":"18k Rose Gold \/ 1.5ct","offer_id":54008254497109,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-15CT-RG","price":2250.0,"currency_code":"GBP","in_stock":true},{"title":"18k Yellow Gold \/ 2.0ct","offer_id":54008254529877,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-20CT-YG","price":2995.0,"currency_code":"GBP","in_stock":true},{"title":"18k White Gold \/ 2.0ct","offer_id":54008254562645,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-20CT-WG","price":2995.0,"currency_code":"GBP","in_stock":true},{"title":"18k Rose Gold \/ 2.0ct","offer_id":54008254595413,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-20CT-RG","price":2995.0,"currency_code":"GBP","in_stock":true},{"title":"18k Yellow Gold \/ 2.5ct","offer_id":54008254628181,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-25CT-YG","price":3750.0,"currency_code":"GBP","in_stock":true},{"title":"18k White Gold \/ 2.5ct","offer_id":54008254660949,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-25CT-WG","price":3750.0,"currency_code":"GBP","in_stock":true},{"title":"18k Rose Gold \/ 2.5ct","offer_id":54008254693717,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-25CT-RG","price":3750.0,"currency_code":"GBP","in_stock":true},{"title":"18k Yellow Gold \/ 3.0ct","offer_id":54008254726485,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-30CT-YG","price":4495.0,"currency_code":"GBP","in_stock":true},{"title":"18k White Gold \/ 3.0ct","offer_id":54008254759253,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-30CT-WG","price":4495.0,"currency_code":"GBP","in_stock":true},{"title":"18k Rose Gold \/ 3.0ct","offer_id":54008254792021,"sku":"NM-ER-B1-22-ELONGATEDCUSHIONCU-30CT-RG","price":4495.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/3756\/7061\/files\/ChatGPT_Image_Jun_3_2026_05_37_24_PM.png?v=1780516333"},{"product_id":"elongated-cushion-hidden-halo","title":"Elongated Cushion Hidden Halo","description":"\u003cp\u003e\u003cstrong\u003eElongated Cushion Hidden Halo\u003c\/strong\u003e — An elongated cushion cut diamond with a discreet halo of micro-set diamonds hidden beneath — featuring a hand-picked, certified lab grown centre stone.\u003c\/p\u003e\u003cp\u003eThe hidden halo amplifies the sparkle of the cushion cut from every side angle while keeping the top-down view clean and uncluttered. The elongated proportions give the ring a modern feel while the rounded corners keep it soft and romantic.\u003c\/p\u003e\u003cp\u003eEvery centre diamond is hand-picked to our exacting standard: Ideal cut, D colour and VVS clarity or higher — selected not just for certification, but for maximum sparkle and fire with the optimum dimensions. Each centre stone is selected for its brilliance and proportions, with the hidden halo designed to complement and amplify the cushion's warm, lively sparkle.\u003c\/p\u003e\u003cp\u003eQuality and collaboration are at the heart of everything we do. We only use 18k gold for its superior durability and richness of colour — available in yellow gold, white gold or rose gold. Platinum is available on request through our bespoke service. We are happy to hand-pick the perfect diamond for you, or if you prefer more involvement, let us know in advance and we will share a curated selection for you to choose from. For those who want complete control, our bespoke service lets you create your engagement ring from start to finish.\u003c\/p\u003e\u003cp\u003ePerfect for the romance of a cushion cut with a hidden halo — hand-picked to our standard, or choose from a curated selection of centre stones.\u003c\/p\u003e\u003cp\u003eAvailable with lab grown diamond options from 1.0ct to 3.0ct. The total diamond weight will vary by your chosen carat size, with additional brilliance from the surrounding stones. Normally ready within 3–4 weeks with free insured UK shipping and 30-day returns on every order.\u003c\/p\u003e","brand":"Not Mined","offers":[{"title":"18k Yellow Gold \/ 1.0ct","offer_id":54008256692565,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-10CT-YG","price":1995.0,"currency_code":"GBP","in_stock":true},{"title":"18k White Gold \/ 1.0ct","offer_id":54008256725333,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-10CT-WG","price":1995.0,"currency_code":"GBP","in_stock":true},{"title":"18k Rose Gold \/ 1.0ct","offer_id":54008256758101,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-10CT-RG","price":1995.0,"currency_code":"GBP","in_stock":true},{"title":"18k Yellow Gold \/ 1.5ct","offer_id":54008256790869,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-15CT-YG","price":2350.0,"currency_code":"GBP","in_stock":true},{"title":"18k White Gold \/ 1.5ct","offer_id":54008256823637,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-15CT-WG","price":2350.0,"currency_code":"GBP","in_stock":true},{"title":"18k Rose Gold \/ 1.5ct","offer_id":54008256856405,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-15CT-RG","price":2350.0,"currency_code":"GBP","in_stock":true},{"title":"18k Yellow Gold \/ 2.0ct","offer_id":54008256889173,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-20CT-YG","price":3250.0,"currency_code":"GBP","in_stock":true},{"title":"18k White Gold \/ 2.0ct","offer_id":54008256921941,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-20CT-WG","price":3250.0,"currency_code":"GBP","in_stock":true},{"title":"18k Rose Gold \/ 2.0ct","offer_id":54008256954709,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-20CT-RG","price":3250.0,"currency_code":"GBP","in_stock":true},{"title":"18k Yellow Gold \/ 2.5ct","offer_id":54008256987477,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-25CT-YG","price":3850.0,"currency_code":"GBP","in_stock":true},{"title":"18k White Gold \/ 2.5ct","offer_id":54008257020245,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-25CT-WG","price":3850.0,"currency_code":"GBP","in_stock":true},{"title":"18k Rose Gold \/ 2.5ct","offer_id":54008257053013,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-25CT-RG","price":3850.0,"currency_code":"GBP","in_stock":true},{"title":"18k Yellow Gold \/ 3.0ct","offer_id":54008257085781,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-30CT-YG","price":4750.0,"currency_code":"GBP","in_stock":true},{"title":"18k White Gold \/ 3.0ct","offer_id":54008257118549,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-30CT-WG","price":4750.0,"currency_code":"GBP","in_stock":true},{"title":"18k Rose Gold \/ 3.0ct","offer_id":54008257151317,"sku":"NM-ER-B1-23-ELONGATEDCUSHIONHI-30CT-RG","price":4750.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/3756\/7061\/files\/ChatGPT_Image_Jun_3_2026_05_45_22_PM.png?v=1780516255"}],"url":"https:\/\/www.notmined.co.uk\/collections\/elongated-cushion-engagement-rings.oembed","provider":"Not Mined","version":"1.0","type":"link"}