Certified Lab-Grown Diamonds
Quality diamonds shouldn’t cost a fortune. Discover KD lab-grown diamonds certified by reputable agencies like the GIA and IGI. Each of these lab diamonds is top-tier quality and priced to fit your budget. Get the perfect diamond, without breaking the bank. Once you find the right lab-grown diamond, add it to a handcrafted engagement ring setting or pendant, or purchase it loose.
Shop Diamonds by Shape
Certified Lab-Grown Diamonds
Quality diamonds shouldn’t cost a fortune. Discover Ritani’s lab-grown diamonds certified by reputable agencies like the GIA and IGI. Each of these lab diamonds is top-tier quality and priced to fit your budget. Get the perfect diamond, without breaking the bank. Once you find the right lab-grown diamond, add it to a handcrafted engagement ring setting or pendant, or purchase it loose.
Why Choose Lab-Grown Diamonds from KD??
At KD, we believe that lab-grown diamond shopping should be simple. Explore certified lab diamonds online and choose delivery straight to your doorstep or pick-up at a location near you. Use our easy-to-use filters to narrow down your search and discover lab-grown diamonds in all shapes and sizes. Whether you’re looking for a 1-carat round lab diamond or a 10-carat oval lab diamond, we have it all. If you’re still not sure about which stone to pick, you can schedule a virtual appointment with a gemologist to narrow down your search.
Shop Now
Shop by Carat Weight
Preview Your Lab Diamond
Want to see your lab diamond ring before you commit? Take a look at your lab diamond up close before buying. We offer in-person preview with one of our diamond pros for orders $1,500 or more. There’s never any pressure to make a purchase. Reach out for more info.
Learn More

Unique Lab Diamond Engagement Rings
Popular
Lab Diamond Styles
SHOP NOW
Why Buying Lab Diamonds at KD Makes Sense
We are committed to simplifying the lab diamond shopping and delivering complete transparency in all aspects of the buying process. Browse our incredible selection of certified loose, earth-grown diamonds, conveniently accessible online for delivery or pick-up at designated locations.
Lab Grown Diamond Education
Lab-grown diamonds are real diamonds with the same properties as earth-grown ones. Find out why they’re a smart, popular, and cost-effective choice for your perfect ring. Explore their pros and cons, learn the differences between lab-grown diamonds and natural diamonds, and see how they’re created.
Learn More

Best Value Lab Diamonds
You deserve the best. We make it easy to find lab-grown diamond deals—look for the ‘Best Value’ badge on our lowest-priced lab diamonds.
Clear Lab-Grown Diamond Pricing
We show you everything—every cost, every markup, all laid out so you know exactly what you’re paying for. No confusion, no surprises, just total clarity with every lab-grown diamond, every step of the way.