Why Lab-D
A trade supplier built for jewelers
Lab-D supplies lab-grown diamonds and ready-made fine jewelry exclusively to the trade. We keep it simple: certified product, fair trade pricing and reliable London service.
We work only with trade buyers — independent jewelers, boutiques and shops across London and the UK. As a London-registered business with a Hatton Garden presence, you have a real UK point of contact and a fully accountable trading partner. That focus lets us price keenly, move quickly and support you with the documentation your customers expect.
Whether you need a single certified centre stone, a run of calibrated melee, or a finished collection ready for your cabinet, we source and make to order. Collection from our London base or insured delivery nationwide. Standard product is made to order at keen trade prices with reliable lead times; fancier bespoke commissions are available on demand as the relationship develops.
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Why lab-grown
Ethical & traceable
Lab-grown diamonds are conflict-free with a fully traceable origin — an easy story to tell your customers.
Exceptional value
Identical brilliance at a fraction of mined prices, giving your margins real room to move.
Physically identical
Same carbon crystal structure as mined diamonds — identical optically, physically and chemically.
Certified quality
Every stone is graded and certified by IGI or GIA to the same 4Cs standard as mined diamonds.
Ready to talk trade pricing?
Send a quick enquiry and our London team will come back with availability and your trade rate.