A 2-carat lab-grown diamond solitaire ring with 150 sparkling accent stones in solid 18k gold. BIS Hallmarked & IGI Certified for brilliance and quality.
Buy Lab-Grown Diamond Engagement Ring
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.
18k Solid Gold Bezel Solitaire Lab Grown Diamond Ring
£1,250.00
18k Solid Gold Halo Lab Grown Diamond Engagement Ring
£1,369.00
18k Solid Gold Halo Lab Grown Diamond Ring
£1,775.00
18k Solid Gold Halo Lab Grown Diamond Ring
£1,332.00
18k Solid Gold Hand Crafted Engraved Lab Grown Diamond Engagement Ring
£1,591.00
18k Solid Gold Nature Inspired Lab Grown Diamond Engagement Ring
£1,369.00
18k Solid Gold Oval & Round Lab Grown Diamond Engagement Ring
£2,109.00
18k Solid Gold Pave Set Halo Lab Grown Diamond Engagement Ring
£1,720.00
18k Solid Gold Princess and Baguette Lab Grown Diamond Ring
£2,590.00
18k Solid Gold Ribbed Lab Grown Diamond Engagement Ring
£1,750.00
18k Solid Gold Round Lab Grown Diamond Engagement Ring
£1,228.00
18k Solid Gold Round Shape Lab Grown Diamond Engagement Ring
£1,849.00
18k Solid Gold Round Shape Lab Grown Diamond Engagement Ring
£1,306.00
18k Solid Gold Round Shape Lab Grown Diamond Engagement Ring
£1,324.00
18k Solid Gold Round Shape Lab Grown Diamond Engagement Ring
£1,849.00
18k Solid Gold Round Shape Lab Grown Diamond Ring
£1,243.00
18k Solid Gold Round Shape Lab Grown Diamond Ring
£1,406.00
18k Solid Gold Solitaire 2ct Engagement Ring
£1,295.00
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,147.00
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,332.00
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,257.00
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,295.00
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,176.00
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,221.00
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,295.00
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,147.00
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,591.00
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,295.00
18k Solid Gold Solitaire Lab Grown Diamond Ring
£1,258.00
18k Solid Gold Solitaire Lab Grown Diamond Ring
£1,665.00
18k Solid Gold Solitaire Lab Grown Diamond Ring
£1,258.00
18k Solid Gold Solitaire Round Shape Lab Grown Diamond Engagement Ring
£1,295.00
18k Solid Gold Spit Shank Solitaire Lab Grown Diamond Engagement Ring
£1,257.00
18k Solid Gold Split Shank Lab Grown Diamond Engagement Ring
£1,665.00
18k Solid Gold Split Solitaire Lab Grown Diamond Engagement Ring
£1,221.00
18k Solid Gold Three Stone Baguette Lab Grown Diamond Engagement Ring
£1,295.00
18k Solid Gold Three Stone Emerald shape Lab Grown Diamond Ring
£1,923.00
18k Solid Gold Three Stone Half-Moon Lab Grown Diamond Ring
£1,997.00
18k Solid Gold Three Stone Halo Round Lab Grown Diamond Ring
£1,849.00
18k Solid Gold Three Stone Lab Grown Diamond Engagement Ring
£1,849.00
18k Solid Gold Three Stone Lab Grown Diamond Ring
£1,701.00
18k Solid Gold Three Stone Pear Lab Grown Diamond Ring
£1,406.00
18k Solid Gold Three Stone Round Lab Grown Diamond Engagement Ring
£1,369.00
18k Solid Gold Three Stone Tapered Baguette Lab Grown Diamond Engagement Ring
£1,369.00
18k Solid Gold Two Bands Lab Grown Diamond Engagement Ring
£1,391.00
18K Solid Gold Emerald Cut Lab-Grown Diamond Engagement Ring
£949.00
This 18k Solid Gold  Emerald Cut Lab-Grown Diamond Ring is a stunning representation of timeless elegance. Featuring F color diamonds with VS clarity, it offers a beautiful balance of sparkle and sophistication. Available in white, rose, and yellow gold, the ring is BIS Hallmarked for authenticity and comes with IGI certification. Enjoy a hassle-free shopping experience with live chat and video call customer support. Shipping time is 10-12 business days.
18K Solid Gold Lab-Grown Diamond Asscher Cut Cigar Band Solitaire
£1,033.00
18K Solid Gold Lab-Grown Diamond Pear Ring
£942.00
The 18k Solid Gold Lab-Grown Diamond Pear Ring is a stunning piece featuring a sophisticated pear-shaped diamond. Crafted in high-quality 18k solid gold, this elegant ring is available in white, rose, and yellow gold options. BIS Hallmarked for authenticity, it’s a perfect choice for those seeking a luxurious yet ethically sourced diamond ring. With a shipping time of 10-12 business days, enjoy hassle-free customer support via live chats and video calls.
18K Solid Gold Lab-Grown Diamond Ring | 0.6ct Rose Cut Diamond Ring
£1,116.00
This exquisite 18k Solid Gold Lab-Grown Diamond Ring showcases a 0.6 CTW Rose Cut Diamond with E color and VS1 clarity. Available in white, rose, or yellow gold, this ring is perfect for adding elegance to any collection. BIS Hallmarked & IGI Certified for quality assurance. Shipping time is 10-12 business days, with customer support available through live chats and video calls.
18K Solid Gold Lab-Grown Rose Cut Diamond Waterway Ring
£1,008.00
18K Solid Gold Round Shape Lab Grown Diamond Engagement Ring
£2,590.00
18K Solid Gold 0.71ct. Round Cut Lab-Grown Diamond Solitaire Engagement Ring
£922.00
18K Solid Gold 0.9ct. Oval Cut Lab-Grown Diamond Ring
£989.00
This elegant 18k Solid Gold 0.9ct Oval Cut Lab-Grown Diamond Ring features a stunning solitaire setting. The diamond has been certified with BIS Hallmarked and IGI, ensuring the highest quality. Available in White, Rose, or Yellow Gold, this ring offers a timeless design perfect for any occasion. Shipping time is 10-12 business days, with live chat and video call support available.
18K Solid Gold 1.01 ct Marquise Lab-Grown Champagne Diamond Ring
£1,875.00
The 18k Solid Gold 1.01 ct Marquise Lab-Grown Champagne Diamond Ring offers an elegant and contemporary design. Crafted in high-quality solid gold, this stunning ring features a 1.01 ct marquise-shaped lab-grown champagne diamond. Available in white, rose, and yellow gold, it is IGI & BIS Hallmarked for authenticity. With a shipping time of 10-12 business days, enjoy personalized customer support via live chats and video calls for a seamless shopping experience.
18K Solid Gold 1.04 ct Emerald Cut Pale Lab-Grown Champagne Diamond Ring
£1,724.00
The 18k Solid Gold 1.04 ct Emerald Cut Pale Lab-Grown Champagne Diamond Ring is a stunning piece, featuring a pale champagne diamond set in solid 18k gold. Available in white, rose, or yellow gold, it is BIS Hallmarked for guaranteed quality. With shipping time of 10-12 business days and live chat or video call support, this ring is a luxurious addition to any collection.
18K Solid Gold 1.16ct. Oval Cut Lab-grown Pink Diamond Engagement Ring
£1,908.00
This exquisite 1.16ct. Oval Cut Lab-Grown Pink Diamond Ring is set in 18k solid gold, available in white, rose, or yellow gold. BIS Hallmarked for authenticity, it offers a blend of elegance and eco-conscious beauty. Shipping time is 10-12 business days, with live chat and video call support available for assistance.
18K Solid Gold 1.18ct. Oval Cut Lab-grown Pink Diamond Engagement Ring
£2,073.00
This stunning 1.18ct Oval Cut Lab-grown Pink Diamond Ring is crafted in 18k solid gold, available in white, rose, or yellow gold. The beautiful pink lab-grown diamond is set to capture attention with its radiant color and clarity. Certified BIS Hallmarked, this ring is a perfect symbol of elegance and sophistication. With a shipping time of 10-12 business days, our dedicated customer support is available via live chats and video calls for any inquiries.
18K Solid Gold 1.18ct. Oval Cut Pink Lab-Grown Diamond Engagement Ring
£863.00
This stunning 1.18ct Oval Cut Pink Lab-Grown Diamond Ring is set in 18k Solid Gold and is available in white, rose, or yellow gold. The exquisite pink diamond is ethically sourced and certified with BIS Hallmarked authenticity. The ring offers both beauty and brilliance, with live support available through chat and video calls. It will be shipped within 10-12 business days, making it the perfect addition to any collection.
18K Solid Gold 1ct Heart Shape Lab Grown Diamond Engagement Ring
£921.00
18K Solid Gold 1ct Pear Cut lab Grown Diamond Engagement Ring
£961.00
The 18k Solid Gold 1ct Pear Cut Lab Grown Diamond Engagement Ring by The Karat Store combines timeless elegance and sustainability. Available in 18k gold with options for rose, yellow, or white gold, featuring a 1.00 ct lab-grown diamond with VVS-VS clarity and E-F colour. Perfect for the eco-conscious couple.
18K Solid Gold 1ct. Lab-grown Pink Diamond Ring
£1,728.00
This 18k Solid Gold 1ct. Lab-grown Pink Diamond Ring is a symbol of elegance and rarity. Set in high-quality solid gold, the stunning pink diamond catches the eye with its brilliant sparkle. Available in white, rose, or yellow gold, it is BIS Hallmarked and IGI Certified for authenticity. Enjoy seamless customer support via live chats and video calls, with a shipping time of 10-12 business days.
18K Solid Gold 2 Ct Emerald Cut Halo Ring Lab Grown Diamond Engagement Ring
£1,249.00
18K Solid Gold 2.1 Ct Lab Grown Diamond Engagement Ring
£1,257.00
18K Solid Gold 2.1ct Lab Grown Diamond Engagement Ring
£1,320.00
18K Solid Gold 2.1Ct Lab Grown Diamond Engagement Ring
£1,776.00
18K Solid Gold 2.1Ct Lab Grown Diamond Engagement Ring
£1,243.00
18K Solid Gold 2.1ct Oval Shape Lab Grown Diamond Engagement Ring
£1,635.00
18K Solid Gold 2.1ct Round Shape Lab Grown Diamond Ring
£1,602.00
18K Solid Gold 2.1CT Round Shape Lab Grown Diamond Ring
£1,724.00
18K Solid Gold 2.1ct Round Shape Lab Grown Diamond Ring
£1,387.00
18K Solid Gold 2.1ct Round Shape Lab Grown Diamond Ring
£1,221.00
18K Solid Gold 2.1ct Rustic Design Lab Grown Diamond Ring
£1,387.00
18K Solid Gold 2.1ct Solitaire Lab Grown Diamond Engagement Ring
£1,605.00
18K Solid Gold 2.1ct Solitaire Lab Grown Diamond Ring
£1,742.00
18K Solid Gold 2.2ct Halo Lab Grown Diamond Engagement Ring
£1,369.00
18K Solid Gold 2.2ct Halo Lab Grown Diamond Ring
£1,775.00
18K Solid Gold 2.2ct Lab Grown Diamond Ring
£1,295.00
18K Solid Gold 2.2ct Milgrain Lab Grown Diamond Ring
£1,676.00
18K Solid Gold 2.2ct Round Lab Grown Diamond Ring
£1,591.00
18K Solid Gold 2.2ct Round Shape Lab Grown Diamond Engagement Ring
£1,602.00
18K Solid Gold 2.2ct Round Shape Lab Grown Diamond Ring
£1,298.00
18K Solid Gold 2.2ct Round Shape Lab Grown Diamond Ring
£1,620.00
18K Solid Gold 2.2ct Solitaire Lab Grown Diamond Engagement Ring
£1,620.00
18K Solid Gold 2.2ct Solitaire Lab Grown Diamond Engagement Ring
£1,328.00
18K Solid Gold 2.2ct Solitaire Lab Grown Diamond Engagement Ring
£1,257.00
18K Solid Gold 2.35ct Solitaire Lab Grown Diamond Engagement Ring
£1,313.00
18K Solid Gold 2.3ct Halo Lab Grown Diamond Engagement Ring
£1,369.00
18K Solid Gold 2.3ct Halo Lab Grown Diamond Ring
£1,228.00
18K Solid Gold 2.3ct Halo Lab Grown Diamond Ring
£1,387.00
18K Solid Gold 2.3ct Oval Shape Lab Grown Diamond Enagagement Ring
£1,642.00
18K Solid Gold 2.3ct Round Shape Lab Grown Diamond Engagement Ring
£1,295.00
18K Solid Gold 2.3ct Solitaire Lab Grown Diamond Engagement Ring
£1,394.00
18K Solid Gold 2.3ct Solitaire Lab Grown Diamond Engagement Ring
£1,602.00
18K Solid Gold 2.3ct Solitaire Lab Grown Diamond Engagement Ring
£1,557.00
18K Solid Gold 2.3ct Solitaire Lab Grown Diamond Ring
£1,295.00
18K Solid Gold 2.3ctSolitaire Lab Grown Diamond Engagement Ring
£1,398.00
18K Solid Gold 2.4ct Emerald Cut Lab Grown Diamond Ring
£1,394.00
18K Solid Gold 2.4CT Oval Shape Lab Grown Diamond Engagement Ring
£1,587.00
18K Solid Gold 2.4ct Oval Shape Lab Grown Diamond Ring
£1,587.00
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 & 18KÂ 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.