A solitaire setting is the ultimate expression of classic beauty, featuring a single gemstone that takes centre stage. At The Karat Store, our solitaire setting lab diamonds are available in 14K and 18K gold, providing the perfect balance of timeless elegance and contemporary craftsmanship. Whether you're choosing a lab-grown diamond, natural diamond, or Moissanite, the solitaire setting allows the brilliance of the stone to shine through, making it the ideal choice for engagement rings, anniversary gifts, or simply as a statement piece of luxury.

Each solitaire ring is carefully crafted with 100% real gold and certified stones, ensuring both beauty and durability. Our rings are shipped securely and arrive across the UK in 12 to 22 days, with gold purity stamps, gemstone certification, and tamper-proof packaging included.

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    18K Solid Gold Princess Cut Lab-Grown Diamond Engagement Ring

    £2,171.00
    Get the Product in 14k Gold This exquisite 18k Solid Gold Princess Cut Lab-Grown Diamond Ring is available in white, rose, or yellow gold.
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    Select options This product has multiple variants. The options may be chosen on the product page
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    History, Types, Cultural Significance Of Solitaire Setting Lab Diamond Engagement Ring

    A solitaire diamond setting is all about showcasing the beauty of the gemstone. The single stone is set with minimal distraction, allowing it to sparkle with unparalleled brilliance. Whether it's for an engagement ring or just a piece of fine jewellery, a solitaire setting is a timeless choice.

    At The Karat Store, we offer solitaire setting lab diamonds that are:

    • GIA-certified natural diamonds – Rarest, classic, and ethically sourced

    • IGI-certified lab-grown diamonds – Chemically identical to natural diamonds, with sustainable sourcing

    • GRA-certified Moissanite – Brilliant, durable, and affordable

    • Crafted in 14K or 18K solid gold – Yellow, white, or rose

    • Available in various cuts: round, oval, cushion, emerald, princess, and more

    • Customizable in terms of metal tone and stone choice

    Whether you're looking for a classic engagement ring or a stylish statement piece, our solitaire settings are designed to highlight the beauty of the diamond or gemstone, making it the focal point of the piece.

    Quality of Material Used

    We use 100% solid 14K or 18K gold in every solitaire setting—never plated or filled. This ensures that each ring is:

    • Durable and long-lasting – Perfect for everyday wear

    • Polished to perfection for a beautiful finish

    • Nickel-free and hypoallergenic, making it suitable for sensitive skin

    In addition to the gold, we use only the highest quality certified gemstones:

    • GIA-certified natural diamonds – Known for their exceptional quality, brilliance, and rarity

    • IGI-certified lab-grown diamonds – An eco-conscious, ethical option with identical sparkle to natural diamonds

    • GRA-certified Moissanite – A stunning and affordable alternative to diamonds, offering exceptional fire and brilliance

    Each stone is selected for its cut, clarity, and brilliance, ensuring that your solitaire diamond shines with unmatched clarity and radiance.

    Certifications Provided

    When you purchase a solitaire setting lab diamond ring from The Karat Store, you’ll receive:

    • A gold purity stamp (14K or 18K)

    • Gemstone certification (GIA, IGI, or GRA, depending on your chosen stone)

    • A detailed invoice outlining the specifics of your gold and gemstone choice

    We provide complete transparency with every purchase, ensuring you understand exactly what you're investing in.

    Craftsmanship

    Every solitaire setting lab diamond ring is handcrafted by skilled artisans, ensuring every detail is perfect. From the meticulous setting of the stone to the smooth, polished finish of the gold, we take pride in our craftsmanship. Each ring undergoes a multi-step quality inspection to ensure that it meets our exacting standards for brilliance, durability, and aesthetic appeal.

    Frequently Asked Questions

    1. What is a solitaire setting?
    A solitaire setting features a single diamond or gemstone, set with minimal distraction, to showcase the stone's natural beauty and brilliance.

    2. Are these rings made from real gold?
    Yes. We use 100% solid 14K or 18K gold, never plated or filled.

    3. Are the diamonds and Moissanite certified?
    Yes:

    • GIA certification for natural diamonds

    • IGI certification for lab-grown diamonds

    • GRA certification for Moissanite

    4. Can I customise the solitaire setting?
    Yes! We offer custom orders for your choice of gold tone, stone size, and even the specific gemstone.

    5. Are these rings hypoallergenic?
    Yes. Our 14K and 18K gold is nickel-free and safe for sensitive skin.

    6. How long does shipping take to the UK?
    Shipping typically takes 12 to 22 days from dispatch, and we provide tracking for your convenience.

    7. Do you offer free shipping?
    Yes, all orders come with free, insured, and trackable shipping within the UK.

    8. What is your return policy?
    We accept returns for damaged or incorrect items only. Please contact us within 7 days of receiving your order.

    9. Will my ring be hallmarked for purity?
    Yes. Every ring is stamped 14K or 18K for authenticity.

    10. How is the ring packaged?
    Your ring will arrive in secure, tamper-proof packaging, perfect for safekeeping or gifting.