Trade
IGI-certified lab-grown diamonds, direct from source.
We supply loose diamonds to jewellers and wholesalers across the UK. Verified trade accounts only.
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The Diamant Reserve · Trade Portal
Don’t have an account?
Round Brilliant
Round Brilliant
Our primary supply. D–H colour, FL–VS2 clarity, Excellent cut. Available from 0.30ct to 5.00ct. IGI certified, every stone.
Fancy Shapes
Fancy Shapes
Oval, cushion, emerald, pear, marquise and radiant. Same quality standards as our round supply. Availability varies — enquire with your specification.
Melee & Small Stones
Melee & Small Stones
Round brilliants from 0.01ct to 0.29ct for pave, halo and accent work. Consistent cut and colour matching available for larger orders.
How it works
Verified accounts only
All trade accounts are verified before access is granted. Submit your details and we'll be in touch within 24 hours.
Direct pricing
No broker margin. No middleman. Prices reflect our direct relationship with cutting and manufacturing partners.
IGI certification
Every stone ships with its IGI certificate. No exceptions. You know exactly what you're buying and so do your customers.
Volume & consistency
Regular supply relationships welcome. We can work to specification for repeat orders — colour matching, cut consistency, size ranges.
Apply for trade access
Trade account application.
Complete the form below. We verify all accounts before granting access — usually within 24 hours.