Shop Lab-Grown Diamond Jewelry
Looking for sparkle with a conscience? Welcome to our collection of lab-grown diamond jewellery, where timeless design meets modern sustainability. Set in 100% solid 14K & 18K gold, our pieces feature diamonds grown using advanced technology, offering the same brilliance and hardness as mined diamonds, without the environmental cost.
Each piece is certified, hypoallergenic, and handcrafted to perfection. Whether you’re shopping for an engagement ring, a gift, or something to treat yourself, you’ll find elegant styles you can wear with pride. Free UK shipping, secure packaging, and full certification make shopping with The Karat Store effortless and trustworthy.
18k Gold Lab-Grown Diamond 7 Diamonds Halo Band
18k Gold Lab-Grown Diamond Constancy Band
18k Gold Lab-Grown Diamond Distance Band
18k Gold Lab-Grown Diamond Edison Band
18k Gold Lab-Grown Diamond Guideline Band
18k Gold Lab-Grown Diamond Indie Ring
18k Gold Lab-Grown Diamond Interwoven Band
18k Gold Lab-Grown Diamond Lace Edge Ring
18k Gold Lab-Grown Diamond Minuet Ring
18k Gold Lab-Grown Diamond Morse Code Rings
18k Gold Lab-Grown Diamond Morse Code Rings Initials
18k Gold Lab-Grown Diamond Petite Diamond Distance Band
18k Gold Lab-Grown Diamond Prelude Band
18k Gold Lab-Grown Diamond Pyramid Band
18k Gold Lab-Grown Diamond Reverb Ring
18k Gold Lab-Grown Diamond Round 4-Prong Solitaire Band
18k Gold Lab-Grown Diamond Upon a Star Band
18k Gold Lab-Grown Diamond Vine Band
18k Gold Lab-Grown Diamond Wisp Band
18k Gold Lab-Grown Linked Eternity Band
18k Gold Lab-Grown Round Stackable Ring
18k Gold Malachite Rectangle Link Necklace
18k Gold Marquise Diamond Drop Necklace
18k Gold Medium Heart Diamond Ball Necklace
18k Gold Moissanite Diamond Engagement Ring
18k Gold Pave Diamond Marquise Drop Necklace
18k Gold Pave Diamond Rectangle Bar Tennis Necklace
18k Gold Pear Cut Diamond Ring
18k Gold Ribbed Lab Grown Diamond Engagement Ring
18k Gold Ribbed Moissanite Diamond Engagement Ring
Get this Product in 14k Gold
"Elegant 18k Gold Ribbed Moissanite Diamond Engagement Ring – a stunning design with Moissanite diamonds and a ribbed band for a contemporary and sophisticated look."
18k Gold Round Diamond Zodiac Necklace
18k Gold Round Shape 2Ct Lab Grown Diamond Engagement Ring
A 2-carat round-cut lab-grown diamond engagement ring in 18k solid gold, available in white, rose, and yellow gold. IGI & BIS hallmarked.
18k Gold Solitaire Emerald-Cut Lab Grown Diamond Half-Band Ring For Women
18k Gold Solitaire Lab Grown Diamond Engagement Ring
18k Gold Solitaire Lab Grown Diamond Ring
18k Gold Three Line Diamond Pearl Necklace
18k Gold Three Stone Lab Grown Diamond Engagement Ring
18k Gold Three Stone Pear & Round Lab Grown Diamond Ring
18k Gold Toi Moi Lab-Grown Diamond Ring
18k Gold Twist Lab Grown Diamond Engagement Ring
18k Gold Twist Lab Grown Diamond Engagement Ring featuring a 2ct center stone and round side diamonds. Available in white, rose, and yellow gold.
18k Gold Uncut Lab Grown Diamond Eternity Band
18k Gold Yellow Lab Grown Diamond Multi Shape Necklace
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.
History, Types, Cultural Significance Of Lab-Grown Diamond Jewelry
Diamonds have always symbolised love, strength, and beauty. Today, lab-grown diamonds offer those same qualities, just with a cleaner origin story. First created in the 1950s for industrial use, lab-grown diamonds have now become a popular choice in fine jewellery, thanks to improved quality, accessibility, and ethical appeal.
Our lab-grown diamond collection includes everything from classic solitaires and halo engagement rings to tennis bracelets, ear studs, and modern pendants. Each piece is designed with care, showcasing the fire and brilliance lab-grown diamonds are known for, without the inflated price tag of mined diamonds.
Why are they so loved in the UK? UK shoppers value ethical sourcing, eco-conscious choices, and great value for money, and lab-grown diamonds deliver on all fronts. They’re chemically identical to natural diamonds, just grown above ground in a controlled environment using clean energy and minimal impact on nature.
So, whether you’re proposing, celebrating, or simply upgrading your everyday look, lab-grown diamond jewellery is a meaningful and smart choice. At The Karat Store, every design is set in solid 14K & 18K gold, IGI certified, and made to shine for a lifetime.
Quality of Material Used
Our lab-grown diamond pieces are always made with 100% solid 14K & 18K gold—never plated or gold-filled. This ensures long-lasting wear, durability, and a true sense of luxury.
Each diamond is ethically grown, carefully selected for clarity and brilliance, and securely set by hand. These designs are hypoallergenic, perfect for sensitive skin, and ideal for both daily wear and special occasions.
When you choose our lab-grown diamond jewellery, you’re choosing quality that lasts and values that matter.
Certifications Provided
Every lab-grown diamond at The Karat Store comes with a certificate from IGI (International Gemological Institute)—one of the most trusted names in gem grading.
In addition, each piece features:
A 14K & 18K gold purity stamp
A detailed invoice
A lab report confirming stone authenticity and quality
Buying certified jewellery gives you peace of mind, confirming that your diamond is genuine, ethically created, and accurately graded. It’s proof of both beauty and integrity.
Craftsmanship
Our lab-grown diamond jewellery isn’t just made—it’s carefully crafted by skilled artisans who bring decades of experience to the bench.
From precise prong settings to flawless polishing, each piece goes through multiple stages of attention and inspection. We ensure a perfect finish, secure stones, and a shine that lasts. Before it ships to you, your jewellery is individually inspected and approved by our quality team.
You’ll feel the difference from the moment you open the box.
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. What is the gold quality used in the jewellery?
All jewellery is made with solid 14K & 18K gold, not plated or filled.
3. Are the diamonds real?
Yes! Lab-grown diamonds are real diamonds, identical to mined ones in every way except origin.
4. What certification comes with lab-grown diamonds?
Every piece comes with an IGI certification to confirm authenticity and quality.
5. Can I return a lab-grown diamond item?
Returns are accepted only if the item is damaged or the wrong product was sent.
6. Do you offer free shipping in the UK?
Yes, we offer free shipping across the UK on all orders.
7. Is tracking available for orders?
Yes, you will receive a tracking number once your order is shipped.
8. Can I request a custom lab-grown diamond design?
Absolutely! We accept custom orders—just contact us with your design ideas.
9. Is the jewellery safe for sensitive skin?
Yes, our 14K & 18K gold jewellery is hypoallergenic and safe for daily wear.
10. How is the jewelry packaged?
Every item is packed in secure, tamper-proof packaging to ensure it arrives in perfect condition.
Bonus: How can I contact The Karat Store for support?
You can reach us anytime at contact@thekaratstore.uk for questions, order updates, or custom requests.