Ready to pop the question? Find the perfect symbol of your love with our collection of lab-grown diamond engagement rings, crafted in 100% solid 14K & 18K gold and set with ethically sourced, IGI-certified lab-grown diamonds. These rings are just as brilliant, durable, and timeless as mined diamond rings—but with a modern, meaningful twist.

Every engagement ring is handcrafted, hypoallergenic, and shipped free across the UK, complete with certification and secure packaging. At The Karat Store, you’ll discover designs made to tell your love story—with clarity, conscience, and sparkle.

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    18K Solid Gold Three Stone Halo Lab Grown Diamond Engagment Ring

    £2,072.00

    A 18k gold three-stone halo ring featuring a 2ct round lab-grown diamond with 0.97ct side diamonds in various shapes. Available in white, rose, and yellow gold.

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    18K Solid Gold Three Stone Lab Grown Diamond Ring

    £2,738.00
    A breathtaking 18k solid gold three-stone ring, featuring a 2-carat round lab-grown diamond and 2.5 carats of side stones in various shapes. BIS Hallmarked & IGI Certified.
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    History, Types, Cultural Significance Of Lab-Grown Diamond Engagement Ring

    Your engagement ring should reflect more than just beauty—it should reflect your values. That’s why our rings feature lab-grown diamonds that are optically, physically, and chemically identical to mined diamonds, but grown using sustainable practices that minimise environmental impact.

    Choose from timeless and trending styles, including:

    • Classic solitaires with round, oval, cushion, or princess cuts

    • Halo rings for added sparkle

    • Three-stone designs symbolising your past, present, and future

    • Hidden halos, vintage-inspired, and twisted bands

    • Minimalist to bold settings for every style

    Why do so many UK couples choose lab-grown diamonds? Because they offer exceptional brilliance and ethical value at a better price. With more carats for your budget and zero compromise on quality, these rings make a smart, beautiful start to forever.

    Quality of Material Used

    Every ring is made from 100% solid 14K & 18K gold—available in yellow, white, or rose gold. We never use plated or filled metals, so your ring maintains its beauty for a lifetime.

    Each diamond is lab-grown, hand-selected for clarity and brilliance, and expertly set to highlight its natural sparkle. Our rings are also hypoallergenic and safe for everyday wear.

    Certifications Provided

    We believe in full transparency. Every lab-grown diamond engagement ring includes:

    • An IGI certificate confirming cut, clarity, carat, and ethical origin

    • A 14K & 18K gold purity stamp

    • A detailed invoice and supporting documentation

    When you choose a certified lab-grown diamond ring, you’re making a decision backed by quality and integrity.

    Craftsmanship

    Each engagement ring is brought to life by skilled artisans using expert techniques and modern tools. From precise prong settings to flawless polishing, every detail is handled with care.

    Before your ring ships, it undergoes a multi-step inspection to ensure the diamond is secure, the band is smooth, and the finish is perfect, so your special moment begins with a ring that’s truly flawless.

    Frequently Asked Questions

    1. How long does shipping take to the UK?
    Shipping takes 12 to 22 days to your doorstep in the UK.

    2. Is the ring made from real gold and diamonds?
    Yes! All rings are made from 100% solid 14K & 18K gold and feature real lab-grown diamonds.

    3. Are lab-grown diamonds as good as mined ones?
    Yes. Lab-grown diamonds are chemically and optically identical to mined diamonds—just created more sustainably.

    4. Will I receive a certificate with my ring?
    Yes. All engagement rings come with an IGI certificate and full documentation.

    5. Can I return or exchange my ring?
    We only accept returns if the item is damaged or the wrong product is delivered.

    6. Do you offer free shipping in the UK?
    Yes, we offer free shipping across the UK with every order.

    7. Will I receive tracking info?
    Yes. You’ll get a tracking number once your ring has shipped.

    8. Can I customize my engagement ring?
    Absolutely! We welcome custom orders—just email us with your dream design.

    9. Is the ring safe for sensitive skin?
    Yes. Our rings are hypoallergenic and nickel-free, safe for daily wear.

    10. How can I contact The Karat Store for support?
    Email us anytime at contact@thekaratstore.uk for help, custom designs, or order updates.