Timeless sparkle. Perfect brilliance. Our round brilliant cut natural diamond engagement rings are crafted in 100% solid 14K & 18 K gold and set with stunning GIA-certified natural diamonds. Known as the most iconic and beloved diamond cut, the round brilliant delivers maximum fire, brilliance, and romance, making it the ultimate choice for your forever moment.

Each ring is hypoallergenic, ethically crafted, and shipped securely across the UK with full certification. Celebrate your love story with a true classic that shines brighter with every chapter.

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    History, Types, Cultural Significance Of Round Brilliant Cut Natural Diamond Engagement Rings

    The round brilliant cut features 58 expertly placed facets, designed specifically to maximise light reflection and deliver incredible sparkle. It's the number one choice among U.K. brides for engagements, offering classic beauty that feels timeless yet fresh.

    Our round brilliant cut natural diamond engagement ring collection includes:

    • Classic solitaire round brilliant rings in prong or bezel settings

    • Halo settings that amplify the centre stone’s sparkle

    • Three-stone rings symbolising past, present, and future

    • Hidden halo and cathedral designs for added elegance

    • Modern minimalist and vintage-inspired styles

    Each ring is handcrafted in solid 14K & 18 K yellow, white, or rose gold, featuring ethically sourced, GIA-certified natural diamonds known for their exceptional brilliance, fire, and timeless charm.

    Quality of Material Used

    We craft every ring in 100% solid 14K & 18 K gold—never plated, never filled—ensuring lasting beauty, strength, and value for a lifetime.

    Our diamonds are GIA-certified natural diamonds, meaning each stone has been graded for authenticity, cut, colour, clarity, and carat weight. All rings are nickel-free and hypoallergenic, making them perfect for everyday wear and sensitive skin.

    Certifications Provided

    Every round, brilliant cut, natural diamond engagement ring from The Karat Store includes:

    • GIA certification verifying the diamond’s quality and authenticity

    • A 14K & 18 K gold purity stamp inside the band

    • A detailed invoice and full certification documentation

    When you choose The Karat Store, you choose true craftsmanship backed by real certification.

    Craftsmanship

    Each ring is handmade by skilled artisans, with attention to precise setting, beautiful symmetry, and flawless finishing. Every ring undergoes a multi-point inspection before shipping, ensuring it’s perfect for your most important promises.

    Frequently Asked Questions

    1. Are these made with real gold and natual diamonds?
    Yes. Every ring is made from solid 14K & 18 K gold and set with GIA-certified natural diamonds.

    2. Why choose a round brilliant cut diamond?
    The round brilliant cut is engineered for maximum sparkle and brilliance, making it the most popular choice for engagement rings.

    3. Can I wear my round brilliant engagement ring daily?
    Absolutely! Our rings are crafted for daily wear, offering durability and lasting beauty.

    4. How long does U.K. shipping take?
    Shipping usually takes 12 to 22 business days to your U.K. address.

    5. Is shipping free across the United Kingdom?
    Yes! We offer free, secure shipping nationwide.

    6. Will I receive certification with my ring?
    Yes. Every ring comes with GIA certification, a 14K & 18 K gold stamp, and a detailed invoice.

    7. Are these rings hypoallergenic?
    Yes. Our jewellery is nickel-free and hypoallergenic, safe for sensitive skin.

    8. Can I customise my round brilliant engagement ring?
    Yes! We accept custom orders—you can choose different carat weights, band styles, gold colours, or engraving options.

    9. Are round brilliant rings good for proposals?
    Absolutely. Round brilliant cut diamond rings are considered the ultimate choice for engagement proposals due to their brilliance and timeless style.

    10. How do I contact customer support?
    You can email us at contact@thekaratstore.uk—we’re happy to assist you with any questions or custom design requests.