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.
The Karat Store 14K White Gold Lab-Created Diamond 3-Prong Martini Stud Earrings
The 14K White Gold Lab-Created Diamond 3-Prong Martini Stud Earrings offer elegance and ethical beauty with 0.50 cts of F-G color and SI clarity diamonds. Available in white, rose, or yellow gold, these earrings are GIA certified and BIS Hallmarked. Live chat and video call assistance are available, with a 10-12 business day shipping time.
The Karat Store 18k White Gold Lab-Created 3-Prong Diamond Riviera Necklace
The 18k White Gold Lab-Created 3-Prong Diamond Riviera Necklace features 5.50 ct of lab-created diamonds, offering an eco-friendly and ethical choice. Set in 18k Solid Gold (available in white, rose, and yellow gold), this 17-inch necklace with a 3-prong setting radiates elegance. BIS Hallmarked and ships within 10-12 business days.
The karat Store Lab-Grown Diamond Three Row Band
The Karat Store's Lab-Grown Diamond Three Row Band offers exquisite brilliance, crafted from 14K solid gold and featuring diamonds with VS-SI clarity and F color. Available in white, rose, or yellow gold, this elegant band is perfect for any occasion. BIS Hallmarked & IGI Certified, with a shipping time of 10-12 business days. Customer support is available via live chats and video calls to assist with any inquiries.
The karat Store Lab-Grown Diamond Three Row Band
The Karat Store's Lab-Grown Diamond Three Row Band offers exquisite brilliance, crafted from 18k solid gold and featuring diamonds with VS-SI clarity and F color. Available in white, rose, or yellow gold, this elegant band is perfect for any occasion. BIS Hallmarked & IGI Certified, with a shipping time of 10-12 business days. Customer support is available via live chats and video calls to assist with any inquiries.
The Karat Store14K White Gold Lab-Created Diamond 3-Prong Martini Stud Earrings
These 14K Solid Gold Lab-Created Diamond 3-Prong Martini Stud Earrings feature a total of 1.00 ct diamonds with F-G color and SI clarity, making them an elegant and eco-friendly choice. Available in white, rose, or yellow gold, these pushback earrings are BIS Hallmarked and offer a shipping time of 10-12 business days. Customer support is available via live chats and video calls.
Threaded Ring with Halo, 0.5ct. Oval Cut Lab-Grown Diamond
Threaded Ring with Halo, 0.5ct. Oval Cut Lab-Grown Diamond
Three Stone Anniversary Solitaire Ring 3 ct. Lab Grown Diamond
Three Stone Anniversary Solitaire Ring 3 ct. Lab Grown Diamond
The Three Stone Anniversary Solitaire Ring 3 ct. Lab Grown Diamond by The Karat Store combines timeless elegance and sustainability. Available in 14K gold with options for rose, yellow, or white gold, featuring a 3.00 ct lab-grown diamond with VVS-VS clarity and E-F colour. Perfect for celebrating your enduring love.
Three Stone Anniversary Solitaire Ring 3 ct. Lab Grown Diamond
Three Stone Anniversary Solitaire Ring 3 ct. Lab Grown Diamond
The Three Stone Anniversary Solitaire Ring 3 ct. Lab Grown Diamond by The Karat Store combines timeless elegance and sustainability. Available in 18k gold with options for rose, yellow, or white gold, featuring a 3.00 ct lab-grown diamond with VVS-VS clarity and E-F colour. Perfect for celebrating your enduring love.
Tri Stone Anniversary Solitaire Ring 3 ct. Lab Grown Diamond
Tri Stone Anniversary Solitaire Ring 3 ct. Lab Grown Diamond
Twisted Band 2ct Lab Grown Diamond Engagement Halo Ring
The Twisted Band 2ct Lab Grown Diamond Engagement Halo Ring by The Karat Store features a captivating 2.00 ct lab-grown diamond surrounded by smaller diamonds in a halo setting. Crafted in 14K gold with options in rose, yellow, or white gold. Perfect for those seeking sophistication and sustainability.
Twisted Band 2ct Lab Grown Diamond Engagement Halo Ring
The Twisted Band 2ct Lab Grown Diamond Engagement Halo Ring by The Karat Store features a captivating 2.00 ct lab-grown diamond surrounded by smaller diamonds in a halo setting. Crafted in 18k gold with options in rose, yellow, or white gold. Perfect for those seeking sophistication and sustainability.
Twisted Band 3ct Lab Grown Round Brilliant Diamond Engagement Halo Ring
Twisted Band 3ct Lab Grown Round Brilliant Diamond Engagement Halo Ring
Yard Necklace | Gold Diamond Necklace | Lab grown Diamond Necklace
Yard Necklace | Gold Diamond Necklace | Lab grown Diamond Necklace
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.