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 Soild Gold Solitaire Three Stone Pear Lab Grown Diamond Engagement Ring
18k Solid Gold U Shape Lab Grown Diamond Engagement Ring
A 2-carat lab-grown diamond engagement ring in 18k gold, featuring a U-shape prong setting with 12 accent diamonds (3ct total) for extra brilliance.
18k Solid Gold 2 ct Center Round Lab Grown Diamond Ring
A 18k gold ring featuring a 2ct super-cut round lab-grown diamond, accented with 12 side diamonds (0.15ct total). Available in white, rose, and yellow gold.
18k Solid Gold 2.2ct Solitaire Lab Grown Diamond Ring
18k Solid Gold 2.5ct Three Stone Lab Grown Diamond Ring
18k Solid Gold 3ct Solitaire Lab Grown Diamond Ring
18k Solid Gold 4.5ctw Solitaitre Lab Grown Diamond Engagement Ring
18k Solid Gold Bezel Solitaire Engagement Lab Grown Diamond Engagement Ring
A 2-carat lab-grown diamond solitaire ring in 18k solid gold, featuring a bezel setting, comfort fit, and IGI & BIS Hallmarked certification.
18k Solid Gold Bezel Solitaire Lab Grown Diamond Engagement Ring
18k Solid Gold Bezel Solitaire Lab Grown Diamond Ring
18k Solid Gold Halo Lab Grown Diamond Engagement Ring
A 18k gold halo engagement ring featuring a 2 ct lab-grown round diamond (F color, VS2 clarity, Super Cut) with 0.33 ctw side diamonds. IGI & BIS certified.
18k Solid Gold Halo Lab Grown Diamond Ring
The 18k Solid Gold Halo Lab Grown Diamond Ring showcases a 2ct F color, VS2 clarity Super Cut diamond encircled by 1ct side diamonds on a 2mm solid gold band.
18k Solid Gold Halo Lab Grown Diamond Ring
18k Solid Gold Hand Crafted Engraved Lab Grown Diamond Engagement Ring
A handcrafted 18k gold engagement ring featuring a 2-carat lab-grown diamond (F-VS2, Super Cut) in a prong setting, with an elegantly engraved band.
18k Solid Gold Nature Inspired Lab Grown Diamond Engagement Ring
A nature-inspired 18k solid gold engagement ring featuring a 2ct lab-grown diamond (F color, VS2 clarity) with superior brilliance. Available in white, rose, and yellow gold.
18k Solid Gold Oval & Round Lab Grown Diamond Engagement Ring
18k Solid Gold Pave Set Halo Lab Grown Diamond Engagement Ring
18k Solid Gold Princess and Baguette Lab Grown Diamond Ring
18k Solid Gold Ribbed Lab Grown Diamond Engagement Ring
18k Solid Gold Round Lab Grown Diamond Engagement Ring
18k Solid Gold Round Shape Lab Grown Diamond Engagement Ring
A breathtaking 2-carat round lab-grown diamond engagement ring, accented with 1.4 carats of emerald-cut diamonds, set in 18k solid gold. Available in white, rose, and yellow gold.
18k Solid Gold Round Shape Lab Grown Diamond Engagement Ring
Elevate your proposal with this 18k Solid Gold Lab-Grown Diamond Engagement Ring, featuring a 2 ct round-cut F/VS2 diamond with Super Cut brilliance. Adorned with six accent diamonds and available in White, Rose, and Yellow Gold, this ring is a perfect blend of elegance and sustainability.
18k Solid Gold Round Shape Lab Grown Diamond Engagement Ring
18k Solid Gold Round Shape Lab Grown Diamond Engagement Ring
A 2-carat round lab-grown diamond engagement ring with 1.4ct emerald-cut side stones set in 18k solid gold. Available in white, rose, and yellow gold.
18k Solid Gold Round Shape Lab Grown Diamond Ring
A 2 ct round lab-grown diamond ring with six accent diamonds in a bezel setting, crafted in solid 18k gold. IGI & BIS certified.
18k Solid Gold Round Shape Lab Grown Diamond Ring
18k Solid Gold Round Shape Moissanite Diamond Engagement Ring
Get this product in 14k Gold
This 18k solid gold engagement ring showcases a brilliant round moissanite diamond—offering classic elegance, radiant shine, and lasting sophistication.
18k Solid Gold Solitaire 2ct Engagement Ring
A timeless 2ct lab-grown diamond solitaire engagement ring, set in a prong setting with F color VS2 clarity, in 18k solid gold (White, Rose, Yellow). IGI & BIS Hallmarked.
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
A 2-carat lab-grown diamond solitaire ring with 32 accent diamonds in 18k solid gold, featuring a 2mm band, comfort fit, and IGI & BIS Hallmarked certification.
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
The 18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring features a 2ct F color, VS2 clarity Super Cut diamond on a 4.8mm solid gold band.
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
A 18k solid gold solitaire engagement ring featuring a 2-carat round lab-grown diamond with F color, VS2 clarity, and Super Cut grading, accented with 10 marquise and round-cut side stones.
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
A classic 2-carat solitaire lab-grown diamond engagement ring set in 18k solid gold, featuring F color, VS2 clarity, and a prong setting. Available in white, rose, and yellow gold.
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
A timeless 18k solid gold solitaire engagement ring, featuring a 2ct lab-grown diamond with F color, VS2 clarity, and a super cut for exceptional brilliance.
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
A 2-carat lab-grown diamond solitaire ring in 18k solid gold, featuring a bold 5.65mm band, comfort fit, and IGI & BIS Hallmarked certification.
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
18k Solid Gold Solitaire Lab Grown Diamond Engagement Ring
18k Solid Gold Solitaire Lab Grown Diamond Ring
A 18k solid gold solitaire ring featuring a 2ct super-cut round lab-grown diamond, accented by 10 side diamonds (0.18ct total). Available in white, rose, and yellow gold.
18k Solid Gold Solitaire Lab Grown Diamond Ring
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.
18k Solid Gold Solitaire Lab Grown Diamond Ring
A 2-carat solitaire lab-grown diamond ring with six tapered baguette diamonds (0.56ct) in solid 18k gold. BIS Hallmarked & IGI Certified for quality and brilliance.
18k Solid Gold Solitaire Lab Grown Diamond Ring
A 2ct lab-grown diamond solitaire ring in 18k solid gold, designed for brilliance and elegance. Available in white, rose, and yellow gold.
18k Solid Gold Solitaire Round Shape Lab Grown Diamond Engagement Ring
18k Solid Gold Spit Shank Solitaire Lab Grown Diamond Engagement Ring
18k Solid Gold Split Shank Lab Grown Diamond Engagement Ring
18k Solid Gold Split Solitaire Lab Grown Diamond Engagement Ring
A 2-carat lab-grown diamond split solitaire engagement ring in 18k solid gold, featuring F color, VS2 clarity, and a prong setting. Available in white, rose, and yellow gold.
18k Solid Gold Three Stone Baguette Lab Grown Diamond Engagement Ring
18k Solid Gold Three Stone Emerald shape Lab Grown Diamond Ring
The 18k Solid Gold Three Stone Emerald Shape Lab-Grown Diamond Ring features a 2 ct round Super Cut diamond with 1.07 ct side stones (emerald & round cuts). Available in White, Rose, and Yellow Gold.
18k Solid Gold Three Stone Half-Moon Lab Grown Diamond Ring
18k Solid Gold Three Stone Halo Round Lab Grown Diamond Ring
18k Solid Gold Three Stone Lab Grown Diamond Engagement Ring
18k Solid Gold Three Stone Lab Grown Diamond Ring
18k Solid Gold Three Stone Pear Lab Grown Diamond Ring
A 18k gold three-stone ring featuring a 2ct super-cut round lab-grown diamond, complemented by two pear-shaped side diamonds (0.5ct total). Available in white, rose, and yellow gold.
18k Solid Gold Three Stone Round Lab Grown Diamond Engagement Ring
18k Solid Gold Three Stone Tapered Baguette Lab Grown Diamond Engagement Ring
18k Solid Gold Two Bands Lab Grown Diamond Engagement Ring
18K Solid Gold Emerald Cut Lab-Grown Diamond Engagement Ring
18K Solid Gold Lab-Grown Diamond Asscher Cut Cigar Band Solitaire
Modern elegance meets bold design in this 18k solid gold cigar band ring featuring a solitaire Asscher cut lab-grown diamond. IGI & BIS certified.
18K Solid Gold Lab-Grown Diamond Pear Ring
18K Solid Gold Lab-Grown Diamond Ring | 0.6ct Rose Cut Diamond Ring
18K Solid Gold Lab-Grown Rose Cut Diamond Waterway Ring
Experience timeless beauty with the 18k Solid Gold Lab-Grown Rose Cut Diamond Waterway Ring. Featuring an E-color, VS1 clarity rose-cut diamond in a graceful waterway design, this ring is the perfect blend of vintage charm and modern sophistication.
18K Solid Gold Round Shape Lab Grown Diamond Engagement Ring
A 18k solid gold engagement ring featuring a 2ct round lab-grown diamond (F color, VS2 clarity) with 12 emerald-cut side stones (3.48ct total). Available in white, rose, and yellow gold.
18K Solid Gold 0.71ct. Round Cut Lab-Grown Diamond Solitaire Engagement Ring
18K Solid Gold 0.9ct. Oval Cut Lab-Grown Diamond Ring
18K Solid Gold 1.01 ct Marquise Lab-Grown Champagne Diamond Ring
18K Solid Gold 1.04 ct Emerald Cut Pale Lab-Grown Champagne Diamond Ring
18K Solid Gold 1.16ct. Oval Cut Lab-grown Pink Diamond Engagement Ring
18K Solid Gold 1.18ct. Oval Cut Lab-grown Pink Diamond Engagement Ring
18K Solid Gold 1.18ct. Oval Cut Pink Lab-Grown Diamond Engagement Ring
18K Solid Gold 1ct Heart Shape Lab Grown Diamond Engagement Ring
18K Solid Gold 1ct Pear Cut lab Grown Diamond Engagement Ring
18K Solid Gold 1ct. Lab-grown Pink Diamond Ring
18K Solid Gold 2 Ct Emerald Cut Halo Ring Lab Grown Diamond Engagement Ring
18K Solid Gold 2.1 Ct Lab Grown Diamond Engagement Ring
18K Solid Gold 2.1ct Lab Grown Diamond Engagement Ring
18K Solid Gold 2.1Ct Lab Grown Diamond Engagement Ring
18K Solid Gold 2.1Ct Lab Grown Diamond Engagement Ring
18K Solid Gold 2.1ct Oval Shape Lab Grown Diamond Engagement Ring
18K Solid Gold 2.1ct Round Shape Lab Grown Diamond Ring
18K Solid Gold 2.1CT Round Shape Lab Grown Diamond Ring
The 18k Solid Gold 2.1CT Round Shape Lab Grown Diamond Ring features a 2ct round center diamond with 0.12ct side diamonds in round shape, crafted in solid gold.
18K Solid Gold 2.1ct Round Shape Lab Grown Diamond Ring
18K Solid Gold 2.1ct Round Shape Lab Grown Diamond Ring
A 2.1 ct lab-grown diamond engagement ring in 18k solid gold, featuring a stunning 2 ct center stone with sparkling side diamonds. IGI & BIS certified.
18K Solid Gold 2.1ct Rustic Design Lab Grown Diamond Ring
18K Solid Gold 2.1ct Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold 2.1ct Solitaire Lab Grown Diamond Ring
18K Solid Gold 2.2ct Halo Lab Grown Diamond Engagement Ring
Short Description:
The 18k Solid Gold 2.2ct Halo Lab-Grown Diamond Engagement Ring features a 2 ct round Super Cut diamond surrounded by 20 side diamonds (0.2 ct total, F color, VS2 clarity) in a stunning halo setting. Available in White, Rose, and Yellow Gold.
18K Solid Gold 2.2ct Halo Lab Grown Diamond Ring
18K Solid Gold 2.2ct Lab Grown Diamond Ring
18K Solid Gold 2.2ct Milgrain Lab Grown Diamond Ring
This 18k Gold Milgrain Lab-Grown Diamond Ring features a 2ct F VS2 Super Cut round diamond, complemented by 0.2ct of side stones with vintage milgrain detailing. Available in white, rose, and yellow gold, it is IGI & BIS hallmarked for authenticity.
18K Solid Gold 2.2ct Round Lab Grown Diamond Ring
This 18k gold lab-grown diamond ring features a 2 ct round center stone (F color, VS2 clarity, Super Cut) with 22 side diamonds (0.26 ctw) for added brilliance. Available in white, rose, or yellow gold.
18K Solid Gold 2.2ct Round Shape Lab Grown Diamond Engagement Ring
A 2.2ct lab-grown diamond engagement ring in 18k solid gold, featuring a 2ct round-cut diamond and 22 side stones (0.2ct total). Available in white, rose, and yellow gold. BIS & IGI Certified.
18K Solid Gold 2.2ct Round Shape Lab Grown Diamond Ring
A stunning 18k gold round lab-grown diamond ring, featuring a 2ct Super Cut center diamond (F color, VS2 clarity) with 10 side diamonds (0.18ct total). IGI & BIS Hallmarked, available in White, Rose, and Yellow Gold.
18K Solid Gold 2.2ct Round Shape Lab Grown Diamond Ring
A 2.2ct lab-grown diamond ring in 18k solid gold, featuring a 2ct round-cut center stone (F, VS2) & 16 side diamonds (0.22ct total). Available in white, rose, and yellow gold. BIS & IGI Certified.
18K Solid Gold 2.2ct Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold 2.2ct Solitaire Lab Grown Diamond Engagement Ring
Elegant 18k Solid Gold 2.2ct Solitaire Lab-Grown Diamond Engagement Ring, featuring a 2 ct F color, VS2 clarity super-cut diamond with 10 round lab-grown diamond accents. Available in white, rose, and yellow gold. IGI & BIS Hallmarked for authenticity.
18K Solid Gold 2.2ct Solitaire Lab Grown Diamond Engagement Ring
Short Description:
The 18k Solid Gold 2.2ct Solitaire Lab-Grown Diamond Engagement Ring features a 2 ct Super Cut round diamond with six sparkling side diamonds (0.14 ct total, F color, VS2 clarity) for added brilliance. Available in White, Rose, and Yellow Gold.
18K Solid Gold 2.35ct Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold 2.3ct Halo Lab Grown Diamond Engagement Ring
18K Solid Gold 2.3ct Halo Lab Grown Diamond Ring
18K Solid Gold 2.3ct Halo Lab Grown Diamond Ring
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.