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 Twisted Vines Three Stone Round Lab Grown Diamond Engagement Ring
18K Solid Gold Twisted Vines Three Stone Round Lab Grown Diamond Ring
A twisted vine-style three-stone engagement ring in 18k solid gold, featuring a 2 ct round lab-grown diamond with accent stones. IGI & BIS certified.
18K Solid Gold Two Bands Lab Grown Diamond Engagement Ring
18K Solid Gold V Shaped Lab Grown Diamond Engagement Ring
A 2 ct round lab-grown diamond V-shaped engagement ring with 27 side diamonds in 18k solid gold, offering a modern and elegant design.
18K Solid Gold Valor Spiral Lab Grown Diamond Engagement Ring
18K Solid Gold Victorian Halo Lab Grown Diamond Engagement Ring
18K Solid Gold Vintage Lab Grown Diamond Engagement Ring
18K Solid Gold Wide Shank Lab Grown Diamond Engagement Ring
18K Solid Gold Wide Shank Lab Grown Diamond Engagement Ring
18K Solid Gold Winifred Lab Grown Diamond Engagement Ring
18k Solidd Gold Three Stone Round Lab Grown Diamond Engagement Ring
18k White Gold IGI Certified Lab-Created Diamond Oval Shape Halo Ring (2 CTW F-G
18k White Gold IGI Certified Lab-Created Diamond Pear Rings
18k White Gold Lab-Created Diamond Classic Solitaire Ring
18k White Gold Lab-Created Diamond Classic Solitaire Ring
18k White Gold Lab-Created Diamond Classic Solitaire Ring
1ct Asscher Cut Lab grown Diamond 14K Solid Gold Engagement Ring
Elegant 14K solid gold engagement ring featuring a 1ct asscher cut lab-grown diamond that blends timeless design with ethical brilliance.
1ct Asscher Cut Lab grown Diamond 18K Solid Gold Engagement Ring
Elegant 18k solid gold engagement ring featuring a 1ct asscher cut lab-grown diamond that blends timeless design with ethical brilliance.
1ct Emerald Cut Engagement Ring with Marquise and Round Side Stones
1ct Emerald Cut Engagement Ring with Marquise and Round Side Stones
2.58 ct Lab grown Emerald Cut Emerald Ring 14kt
2.58 ct Lab grown Emerald Cut Emerald Ring 18kt
2.5ct Emerald Cut Engagement Ring with Marquise and Round Side Stones
2.5ct Emerald Cut Engagement Ring with Marquise and Round Side Stones
2ct Emerald Cut Engagement Ring with Marquise and Round Side Stones
2ct Emerald Cut Engagement Ring with Marquise and Round Side Stones
3 CT Round Cut 14k Gold Lab-diamond Snowdrift Ring Engagement Ring
3 CT Round Cut 18k Gold Lab-diamond Snowdrift Ring Engagement Ring
3ct Emerald Cut Engagement Ring with Marquise and Round Side Stones
3ct Emerald Cut Engagement Ring with Marquise and Round Side Stones
4 Prong 2ct Emerald Cut Lab Grown Diamond Engagement Ring | Multiple Stone on Band
4 Prong 2ct Emerald Cut Lab Grown Diamond Engagement Ring | Multiple Stone on Band
4 Prong Asscher Cut 2ct Lab Grown Diamond Engagement Ring
4 Prong Asscher Cut 2ct Lab Grown Diamond Engagement Ring
4 Prong Asscher Cut 4ct Lab Grown Diamond Engagement Ring
4 Prong Asscher Cut 4ct Lab Grown Diamond Engagement Ring
4 Prong Emerald Cut Lab Grown Diamond 3ct Engagement Ring
4 Prong Emerald Cut Lab Grown Diamond 3ct Engagement Ring
4 Prong Round Cut 2 ct Lab Grown Diamond Engagement Ring
4 Prong Round Cut 2 ct Lab Grown Diamond Engagement Ring
4 Prong Round Cut Halo Solitaire Ring 2 ct Lab Grown Diamond Engagement Ring
4 Prong Round Cut Halo Solitaire Ring 2 ct Lab Grown Diamond Engagement Ring
4 Prong Setting Round Cut 2 ct Lab Grown Diamond Engagement Ring
4 Prong Setting Round Cut 2 ct Lab Grown Diamond Engagement Ring
5 Ct Oval Lab-Grown Diamond Solitaire Ring
A stunning 5 Ct oval lab-grown diamond solitaire ring in 14K solid gold. Features VS1 clarity, F color diamond for unmatched brilliance. IGI & BIS certified.
5 Ct Oval Lab-Grown Diamond Solitaire Ring
A stunning 5 Ct oval lab-grown diamond solitaire ring in 18k solid gold. Features VS1 clarity, F color diamond for unmatched brilliance. IGI & BIS certified.
5ct cushion engagement ring, gold engagement ring, lab diamond
5ct cushion engagement ring, gold engagement ring, lab diamond
Asscher Cut Lab Grown Diamond 1ct multi Diamond Engagement Ring
Asscher Cut Lab Grown Diamond 1ct multi Diamond Engagement Ring
Asscher Cut Lab Grown Diamond 3ct multi Diamond Engagement Ring
Asscher Cut Lab Grown Diamond 3ct multi Diamond Engagement Ring
Cushion Cut 2 ct Lab Grown Diamond Prong Setting Engagement Ring
Elegant 14K gold engagement ring with a stunning 2 ct cushion cut lab-grown diamond in a classic prong setting. IGI & BIS certified, ethical and timeless.
Cushion Cut 2 ct Lab Grown Diamond Prong Setting Engagement Ring
Elegant 18k gold engagement ring with a stunning 2 ct cushion cut lab-grown diamond in a classic prong setting. IGI & BIS certified, ethical and timeless.
Diamond and Black Onyx Fashion Ring | 14K Solid Gold Onyx Statement Ring
Diamond and Black Onyx Fashion Ring | 18K Solid Gold Onyx Statement Ring
Elongated Radiant Cut Lab Grown Diamond 3ct Engagement Ring
Elongated Radiant Cut Lab Grown Diamond 3ct Engagement Ring
Elongated Emerald Cut 3ct Lab Grown Diamond Engagement Ring
Elongated Emerald Cut 3ct Lab Grown Diamond Engagement Ring
Elongated Emerald Cut 4ct Lab Grown Diamond Engagement Ring
Elongated Emerald Cut 4ct Lab Grown Diamond Engagement Ring
Elongated Emerald Cut 4ct Lab Grown Diamond Engagement Ring
Elongated Emerald Cut 4ct Lab Grown Diamond Engagement Ring
Elongated Radiant Cut Lab Grown Diamond 4ct Engagement Ring
Elongated Radiant Cut Lab Grown Diamond 4ct Engagement Ring
Emerald Cut Lab Grown Diamond 3ct Engagement Ring
Emerald Cut Lab Grown Diamond 3ct Engagement Ring
Emerald Cut Lab-Grown Diamond Beaded Head Solitaire Ring
Emerald Cut Lab-Grown Diamond Beaded Head Solitaire Ring
Flame Ring with Closed Setting ,Oval Cut Lab-Grown Diamond
Flame Ring with Closed Setting ,Oval Cut Lab-Grown Diamond
Floral engagement rings | 14k Rose Gold Lab Grown Diamond Flower Ring
Floral engagement rings | 18k Rose Gold Lab Grown Diamond Flower Ring
Halo Ring 3ct Lab Grown Diamond Engagement Ring
Halo Ring 3ct Lab Grown Diamond Engagement Ring
Heart Shape 4ct Lab Grown Diamond Engagement Ring
Heart Shape 4ct Lab Grown Diamond Engagement Ring
Lab Grown Diamond 3ct Halo Ring in 14 K Solid Gold Engagement Ring
Lab Grown Diamond 3ct Halo Ring in 18k Solid Gold Engagement Ring
Lab-Grown Diamond Round 4-Prong Split Shank Solitaire Ring
Lab-Grown Diamond Round 4-Prong Split Shank Solitaire Ring
Marquise Cut 14K Solid Gold 4ct Lab Grown Diamond Engagement Ring
Marquise Cut 14K Solid Gold Lab Grown Diamond Engagement Ring
Marquise Cut 18K Solid Gold 4ct Lab Grown Diamond Engagement Ring
Marquise Cut 18K Solid Gold Lab Grown Diamond Engagement Ring
Marquise Cut 2ct 14K Solid Gold Lab Grown Diamond Engagement Ring
Marquise Cut 2ct 18K Solid Gold Lab Grown Diamond Engagement Ring
Marquise Cut 3.5 ct 14K Solid Gold Lab Grown Diamond Engagement Ring
Marquise Cut 3.5 ct 18K Solid Gold Lab Grown Diamond Engagement Ring
Marquise Cut 3ct 14K Solid Gold Lab Grown Diamond Engagement Ring
Marquise Cut 3ct 18K Solid Gold Lab Grown Diamond Engagement Ring
Oval Cut 3ct Lab Grown Diamond Engagement Ring
Oval Cut 3ct Lab Grown Diamond Engagement Ring
Oval Cut 4ct Lab Grown Diamond Engagement Ring
Oval Cut 4ct Lab Grown Diamond Engagement Ring
Oval Engagement Ring in 14k Solid Gold / 1 ct Oval Lab Grown Diamond Engagement Rings
Oval Engagement Ring in 14k Solid Gold | 1 ct Oval Lab Grown Diamond Engagement Rings
Oval Engagement Ring in 18K Solid Gold / 1 ct Oval Lab Grown Diamond Engagement Rings
Oval Engagement Ring in 18K Solid Gold | 1 ct Oval Lab Grown Diamond Engagement Rings
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.