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.
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 Solitaire Lab Grown Diamond Engagement Ring
£1,369.00
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,295.00
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,298.00
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,324.00
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,295.00
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,258.00
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,369.00
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,369.00
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,775.00
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,850.00
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,176.00
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
£1,243.00
18K Solid Gold Solitaire Lab Grown Diamond Engagment Ring
£1,768.00
18K Solid Gold Solitaire Lab Grown Diamond Ring
£1,831.00
18K Solid Gold Solitaire Lab Grown Diamond Ring
£1,739.00
18K Solid Gold Solitaire Lab Grown Diamond Ring
£1,665.00
18K Solid Gold Solitaire Lab Grown Diamond Ring
£1,739.00
18K Solid Gold Solitaire Lab Grown Diamond Ring
£1,331.00
18K Solid Gold Solitaire Lab Grown Diamond Ring
£1,295.00
18K Solid Gold Solitaire Lab Grown Diamond Ring
£1,221.00
18K Solid Gold Solitaire Lab-Grown Diamond Engagement Ring
£1,406.00
18K Solid Gold Solitaire Round Lab Grown Diamond Ring
£1,169.00
18K Solid Gold Soloitaire Lab Grown Diamond Ring
£1,665.00
18K Solid Gold Split Shank Lab Grown Diamond Engagement Ring
£1,916.00
18K Solid Gold Split Shank Lab Grown Diamond Engagement Ring
£1,627.00
18K Solid Gold Split Shank Lab Grown Diamond Engagement Ring
£1,690.00
18K Solid Gold Split Shank Lab Grown Diamond Engagement Ring
£1,557.00
18K Solid Gold Split Shank Lab Grown Diamond Engagement Ring
£1,690.00
18K Solid Gold Split Shank Lab Grown Diamond Engagement Ring
£1,405.00
18K Solid Gold Split Shank Lab Grown Diamond Engagement Ring
£1,592.00
18K Solid Gold Split Shank Lab Grown Diamond Engagement Ring
£1,665.00
18K Solid Gold Split Shank Lab Grown Diamond Engagment Ring
£1,591.00
18K Solid Gold Split Shank Lab Grown Diamond Engagment Ring
£1,850.00
18K Solid Gold Split Shank Lab Grown Diamond Engagment Ring
£1,776.00
18K Solid Gold Split Shank Lab Grown Diamond Ring
£1,221.00
18K Solid Gold Split Shank Lab Grown Diamond Ring
£1,591.00
18K Solid Gold The Marquise Starburst Halo Lab-Grown Diamond Ring
£1,307.00
The 18k Solid Gold Marquise Starburst Halo Lab-Grown Diamond Ring features an elegant design available in white, rose, or yellow gold. BIS Hallmarked for assurance, this ring is perfect for those who seek a unique, eco-friendly option for their special occasion. Enjoy a quick 10-12 business day shipping window and customer support through live chats and video calls.
18K Solid Gold Three Rows Pave Set Lab Grown Diamond Engagement Ring
£1,406.00
18K Solid Gold Three Stone Baguette Lab Grown Diamond Engagement Ring
£1,657.00
18K Solid Gold Three Stone Bullet Lab Grown Diamond Engagement Ring
£1,591.00
18K Solid Gold Three Stone Elongated Radiant Lab Grown Diamond Engagement Ring
£1,813.00
18K Solid Gold Three Stone Emerald Shape Lab Grown Diamond Ring
£2,145.00
18K Solid Gold Three Stone Half-Moon Lab Grown Diamond Engagement Ring
£1,831.00
18K Solid Gold Three Stone Half-Moon Lab Grown Diamond Engagement Ring
£1,775.00
18K Solid Gold Three Stone Half-Moon Lab Grown Diamond Ring
£1,627.00
18K Solid Gold Three Stone Halo Baguette Lab Grown Diamond Ring
£1,701.00
18K Solid Gold Three Stone Halo Half Moon Lab Grown Diamond Engagement Ring
£1,983.00
18K Solid Gold Three Stone Halo Lab Grown Diamond Ring
£1,979.00
18K Solid Gold Three Stone Lab Grown Diamond Engagement Ring
£1,221.00
18K Solid Gold Three Stone Lab Grown Diamond Engagement Ring
£2,072.00
18K Solid Gold Three Stone Lab Grown Diamond Ring
£2,590.00
18K Solid Gold Three Stone Marquise Lab Grown Diamond Engagement Ring
£1,624.00
18K Solid Gold Three Stone Marquise Lab-Grown Diamond Engagement Ring
£1,775.00
18K Solid Gold Three Stone Oval Lab Grown Diamond Engagement Ring
£1,369.00
18K Solid Gold Three Stone Pear & Round Lab Grown Diamond Engagement Ring
£1,332.00
18K Solid Gold Three Stone Pear & Round Lab Grown Diamond Ring
£1,702.00
18K Solid Gold Three Stone Pear Lab Grown Diamond Engagement Ring
£1,739.00
18K Solid Gold Three Stone Pear Lab Grown Diamond Engagement Ring
£1,775.00
18K Solid Gold Three Stone Pear Lab Grown Diamond Engagement Ring
£1,591.00
18K Solid Gold Three Stone Pear Lab Grown Diamond Engagement Ring
£1,761.00
18K Solid Gold Three Stone Pear Lab Grown Diamond Engagment Ring
£1,676.00
18K Solid Gold Three Stone Pear Lab Grown Diamond Ring
£1,772.00
18K Solid Gold Three Stone Princess Cut Lab Grown Diamond Engagement Ring
£1,665.00
18K Solid Gold Three Stone Round Lab Grown Diamond Engagement Ring
£1,701.00
18K Solid Gold Three Stone Round Lab Grown Diamond Engagement Ring
£1,775.00
18K Solid Gold Three Stone Round Lab Grown Diamond Ring
£1,346.00
18K Solid Gold Three Stone Trapezoid Lab Grown Diamond Engagement Ring
£1,775.00
18K Solid Gold Three Stone Triangle Lab Grown Diamond Engagement Ring
£2,016.00
18K Solid Gold Three Stone Triangle Lab Grown Diamond Engagment Ring
£1,849.00
18K Solid Gold Three Stone Trillion Lab Grown Diamond Engagement Ring
£1,739.00
18K Solid Gold Three Stone Trillion Lab Grown Diamond Ring
£1,295.00
18K Solid Gold Three-Row Lab Grown Diamond Engagement Ring
£1,968.00
18K Solid Gold Three-Row Lab Grown Diamond Engagment Ring
£1,295.00
18K Solid Gold Toi et Moi Engagement Ring
£5,807.00
18K Solid Gold Toi Moi Engagement Ring 2ct Lab Grown Diamond
£1,375.00
18K Solid Gold Traditional Lab Grown Diamond Engagement Ring
£1,591.00
18K Solid Gold Trapezoid Round Shape Lab Grown Diamond Engagement Ring
£1,369.00
18K Solid Gold Triple Shank Lab Grown Diamond Ring
£2,590.00
18K Solid Gold Tripple Row Band Lab Grown Diamond Engagement Ring
£1,683.00
18K Solid Gold Tripple Row Lab Grown Diamond Ring
£1,701.00
18K Solid Gold Tulip Lab Grown Diamond Engagement Ring
£1,221.00
18K Solid Gold Tulip Shape Lab Grown Diamond Engagement Ring
£1,701.00
18K Solid Gold Twist Shank Lab Grown Diamond Engagement Ring
£1,257.00
18K Solid Gold Twisted Lab Grown Diamond Engagement Ring
£1,405.00
18K Solid Gold Twisted Vine Lab Grown Diamond Ring
£2,071.00
18K Solid Gold Twisted Vines Three Stone Round Lab Grown Diamond Engagement Ring
£1,587.00
18K Solid Gold Twisted Vines Three Stone Round Lab Grown Diamond Ring
£1,332.00
18K Solid Gold Two Bands Lab Grown Diamond Engagement Ring
£1,627.00
18K Solid Gold V Shaped Lab Grown Diamond Engagement Ring
£1,332.00
18K Solid Gold Valor Spiral Lab Grown Diamond Engagement Ring
£1,339.00
18K Solid Gold Victorian Halo Lab Grown Diamond Engagement Ring
£1,701.00
18K Solid Gold Vintage Lab Grown Diamond Engagement Ring
£1,628.00
18K Solid Gold Wide Shank Lab Grown Diamond Engagement Ring
£1,757.00
18K Solid Gold Wide Shank Lab Grown Diamond Engagement Ring
£1,776.00
18K Solid Gold Winifred Lab Grown Diamond Engagement Ring
£1,591.00
18k Solidd Gold Three Stone Round Lab Grown Diamond Engagement Ring
£1,591.00
18k White Gold IGI Certified Lab-Created Diamond Oval Shape Halo Ring (2 CTW F-G
£1,912.00
18k White Gold IGI Certified Lab-Created Diamond Pear Rings
£1,574.00
This stunning 18k White Gold IGI Certified Lab-Created Diamond Pear Ring features a 2.00 ct center stone with F-G color and VS clarity. The classic solitaire style is perfect for any occasion and is available in white, rose, and yellow gold. BIS Hallmarked & IGI certified, it ships within 10-12 business days. Customer support available via live chats and video calls.
18k White Gold Lab-Created Diamond Classic Solitaire Ring
£1,276.00
This elegant 18k White Gold Lab-Created Diamond Classic Solitaire Ring features a stunning 2.00 ct diamond with F-G color and SI clarity. Available in white, rose, and yellow gold, it is BIS Hallmarked for quality assurance. Ideal for any occasion, it ships in 10-12 business days with customer support available via live chats and video calls.
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.