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Antwerp Diamond Expertise
Designed and hand-finished in the heart of the world's most renowned diamond centre.
ONE ANTWERP
Antwerp · Belgium
Two ways to work with us
Private Clients
Discover diamond jewellery for life's most meaningful moments — solitaires, engagement rings, gifts and bespoke creations.
Explore JewelleryJewellery Professionals
Discover finished lab-grown diamond jewellery for your boutique or retail business, with professional pricing upon request.
Explore WholesaleThe house
Exceptional by nature.Crafted in Antwerp.
ONE ANTWERP is a contemporary jewellery house working exclusively with lab-grown diamonds. Each stone is selected for character, then set by hand in the diamond quarter of Antwerp.
The houseCollections
Eight ways to wear a diamond
The ONE Collection
One diamond, one cord. A lab grown diamond bracelet with an IGI-certified round brilliant diamond of 1 or 2 carats, set in 14K white gold on an adjustable silk cord. Twenty cord colours, in 1.5 mm or 2 mm — a diamond to wear every day, at a fair and transparent price.
The ONE Love Collection
A heart-shaped lab grown diamond bracelet on a silk cord — a joyful expression of love. Discover our IGI-certified 1 and 2 carat diamonds in 14K white gold, with an adjustable cord in twenty colours and two thicknesses: 1.5 mm or 2 mm. The Monaco Edition offers its own interpretation in 18K white gold.
The ONE & Only Collection
Two Diamonds. One Connection. Pear and emerald-cut diamonds in 14K gold.
View collection
Necklaces
Lab grown diamond necklaces in 14K gold — IGI-certified pendants and chains with weight and presence, hand-finished in Antwerp.
Earrings
Lab grown diamond earrings in 14K gold, with IGI-certified diamonds in emerald, pear and radiant cuts. Studs and drops, hand-finished in Antwerp.
Tennis Bracelets
Lab grown diamond tennis bracelets in 14K gold — continuous lines of brilliant-cut diamonds, IGI certified and hand-finished in Antwerp.
Eternity Rings
Full-set bands of lab-grown diamonds, made to sit for a lifetime — entirely made to measure.
Engagement Rings
Every engagement ring begins with your story — designed and made to measure in our Antwerp atelier.
Bespoke
A private commission, designed with you in Antwerp.
The ONE ANTWERP promise
The finest quality,at the fairest price.
Exceptional certified diamonds, hand-set in Antwerp and offered at the most honest price in Europe — the quality of a great house, without its margins.
Should you find the same piece, of equal quality and certification, at a lower price anywhere in the European Union, we will gladly refund you the difference.
Every piece is entirely handmade in our Antwerp atelier.
Why ONE ANTWERP?
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Lab-Grown Diamond Jewellery
Finished pieces set exclusively with laboratory-grown diamonds — identical to mined, without the mining.
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14K Gold as Standard
Every piece is crafted in solid 14K gold as our standard offering.
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18K Gold Upon Request
A higher purity available on request, for private and professional orders alike.
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Transparent & Competitive Pricing
Clear prices by carat weight, published for every piece in the collection.
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Personalised Service
A direct, personal relationship — from a single gift to an ongoing professional supply.
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B2C & B2B Expertise
One atelier serving individuals and jewellers with the same care and the same standards.
The diamond
Modern diamonds.Timeless design.
Chemically, physically and optically identical to mined diamonds. Our laboratory-grown diamonds are selected only in D or E colour and VS or VVS clarity, then independently certified by IGI.
Every diamond is accompanied by an independent IGI certificate, documenting its grading and the quality of the stone selected for your piece.
Understand the stone
The choice
Two origins.One diamond.
A clear look at the difference between lab-grown and mined diamonds.
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Lab-grown diamond
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Mined diamond
Origin
01 · Lab-grown diamond
Created in a laboratory02 · Mined diamond
Extracted from the earthComposition
01 · Lab-grown diamond
Same crystallised carbon02 · Mined diamond
Same crystallised carbonIdentity
01 · Lab-grown diamond
Chemically, physically and optically identical02 · Mined diamond
Chemically, physically and optically identicalTraceability
01 · Lab-grown diamond
Independent grading and traceable origin02 · Mined diamond
Graded origin; provenance varies by stoneThe distinction is origin — not the diamond itself.
Bespoke
Your vision.Our craft.
A private commission, from the first sketch to the final setting. One piece, made once.
Request a private consultationFor professionals
Wholesale lab-grown diamond jewelry for jewelers
IGI-certified pieces from Antwerp for jewelers, retailers and concept stores. From 10 pieces, delivered worldwide.