Lumina Solitaire
Round Brilliant · 4-Prong · CVD
GIA & IGI Certified · Conflict-Free
Real diamonds, grown in a laboratory. Chemically identical to mined diamonds — 60–80% more affordable, 100% conflict-free.
Find Your Perfect Cut
Every shape tells a different story. Discover the cut that speaks to you.
Complete Collection
Every ring ships with its official GIA or IGI grading certificate, free engraving, and our lifetime care promise.
Round Brilliant · 4-Prong · CVD
Oval Cut · Diamond Halo · CVD
Round Brilliant · Full Pavé · HPHT
Princess Cut · Past Present Future
Cushion Cut · Filigree · CVD
Emerald Cut · 6-Prong · HPHT
Pear Shape · Double Halo · CVD
Round Brilliant · Channel Set · HPHT
Curated Selection
Our most-loved styles, each set with a certified lab-grown diamond in 18k gold or platinum.
From Seed to Setting
Six to ten weeks of precision science, followed by a lifetime of brilliance.
A tiny diamond seed crystal — pure carbon — is placed in a precision chamber. The genetic blueprint of your future diamond.
Carbon atoms bond layer by layer over 6–10 weeks, forming a perfect rough diamond crystal under controlled conditions.
Expert cutters maximise brilliance. Each stone is independently graded by GIA or IGI and issued an official certificate.
Master jewelers set your certified diamond in 18k gold or platinum, engrave your message, and deliver it ready to propose.
At Grown Lab Diamond, we believe the most important ring you'll ever wear should be extraordinary in every way — the diamond, the craftsmanship, the ethics behind it.
We use only CVD and HPHT grown diamonds, certified by GIA and IGI. Every stone is set by hand in 18k gold or platinum. Every ring ships with its official grading certificate, free engraving, and our lifetime care promise.
Real diamonds. Real savings. Real love.
Shop Engagement RingsReal Couples, Real Diamonds
Over 3,200 couples have chosen Grown Lab Diamond. Here are a few of their stories.
"We got a 1.8ct oval for the price of a 0.5ct mined stone. The IGI certificate confirmed it's a real diamond. Absolutely breathtaking."Léa & Tom — Lyon, France
Aurora Halo · 18k White Gold · 1.8ct CVD Oval
"I held it next to a mined diamond at a jeweler. Identical. Completely identical. And I walked out with €6,500 still in my account."Marcus — Berlin, Germany
Lumina Solitaire · Platinum · 1.5ct HPHT Round Brilliant
"The bespoke consultation was exceptional. They brought my sketch to life. The engraving inside the band made her cry happy tears."James & Charlotte — London, UK
Custom Belle Époque · 18k Yellow Gold · 2.0ct CVD Cushion
Grown Lab Diamond specialises in certified lab-grown diamond engagement rings for couples who want exceptional quality without the traditional price premium. Our diamonds are physically, chemically, and optically identical to mined diamonds — the only difference is their origin.
Yes. Lab-grown diamonds are real diamonds. They share the same crystal structure, chemical composition (pure carbon), and optical properties as mined diamonds. The Gemological Institute of America (GIA) and the International Gemological Institute (IGI) both certify lab-grown diamonds with the same rigorous standards applied to mined stones.
Lab-grown diamonds bypass the complex, costly mining supply chain. Without the environmental impact, geopolitical risks, and layers of middlemen associated with mined diamonds, we can offer the same stone — certified, brilliant, and beautiful — at 60–80% less than the mined equivalent. That means you can choose a larger stone, higher clarity grade, or more intricate setting within the same budget.