Certified lab-grown diamonds with the same brilliance as mined — at up to 50–70% less. Engagement rings starting at
Timeless engagement rings and wedding bands, hand-finished by our master artisans and delivered worldwide.
Every piece is crafted with certified lab-grown diamonds and responsibly sourced metals — brilliance you can feel good about.
Chemically, physically and optically identical to mined diamonds — grown above ground with far less impact, and priced with far less markup.
Cultivated with advanced HPHT and CVD technology, our diamonds are graded on the exact same 4Cs — cut, color, clarity and carat — as natural stones.
A lower-carbon footprint, no mining, no conflict — traceable from lab to finger with full disclosure of origin.
Each diamond ships with its IGI or GIA certificate and a unique laser inscription, so you know exactly what you own.
A bigger stone, a finer setting, or a dream ring within reach — the same budget simply goes further.
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Every OENLI piece is backed by our commitment to quality, transparency and care.
IGI & GIA certified, fully traceable from lab to finger.
Learn moreLifetime coverage on craftsmanship and diamond integrity.
Learn moreFree insured worldwide shipping and 60-day easy returns.
Learn moreEncrypted checkout, secure payments and full privacy protection.
Learn more4.9/5 average from thousands of verified customers.
Learn moreReal-time order tracking from atelier to your door.
Learn moreOur most-loved lab-grown diamond pieces, ready to ship.
Choose a shape, a metal and a carat weight — see your price update instantly, then let our artisans bring it to life.
Four promises behind every piece we make.
A lab-grown diamond is a real diamond. Grown from a diamond seed under extreme heat and pressure, it shares the identical crystal structure, hardness and optical brilliance of a mined stone.
By growing diamonds above ground, we avoid the environmental and social costs of mining. No excavation, no conflict, no displacement — just pure carbon, cultivated with care.
Every OENLI diamond is accompanied by its independent grading report and a laser inscription on the girdle — a permanent record of your stone’s quality and origin.
Because lab-grown diamonds carry far less of the supply chain, you can choose a larger stone, a finer setting, or an heirloom-quality ring — without compromising on the proposal.
From a first sketch to the final polish, our designers and master artisans craft each piece around you — your stone, your story, your forever.
Share your idea with our designers — in-store or online — and we’ll sketch a piece made only for you.
Your design is brought to life by our master artisans using traditional technique and modern precision.
Insured worldwide shipping, with your certificate, appraisal and lifetime warranty in hand.
Understand what makes a diamond brilliant — and how to choose yours with confidence.
The cut is the only of the 4Cs crafted by human hands — and the single biggest driver of a diamond’s fire and brilliance.
Learn moreGraded from D (colorless) to Z, colorless stones let the most light pass through. We stock D–F as standard.
Learn moreClarity grades how free a stone is of inclusions. Most of our stones are VS1 or better — eye-clean and brilliant.
Learn moreCarat measures weight, not size. Because lab-grown diamonds cost less, a bigger carat is more within reach.
Learn more“We believe the future of fine jewelry is brilliant, beautiful and honest — a diamond grown with care, finished by hand, and priced for the real world.”
We ship insured and duty-free to more than 40 countries, with airport pickup options and local support — wherever home is.
Order online, collect tax-free at participating airport counters.
Fully insured, discreetly packaged, delivered to your door.
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Select your size or measure at home. We offer free resizing within 60 days.
Tip: your ring finger is often half a size larger on your dominant hand.
