Certified Lab Grown Diamonds UK
Maitri Diamonds is a direct lab grown diamond manufacturer, supplying certified loose stones to jewellers, designers and workshops across the UK.
Get instant quotes on IGI certified stones, no obligation
- ✔ Trusted by UK jewellers, designers & independent workshops
- ✔ Consistent High Quality
- ✔ Competitive pricing from a direct manufacturer
- ✔ Access to Global Inventory
Our Diamond Range
Available for UK jewellers across all major shapes and sizes, with consistent quality and reliable supply. We provide lab grown diamonds with competitive trade pricing, including calibrated stones and IGI certification.
Round
The highest-demand cut. Maximum brilliance and sparkle.
Oval
Elegant elongated brilliance. A favourite for modern designs.
Cushion
Soft edges with strong fire. A top choice for bespoke jewellers.
Emerald
Clean step-cut geometry for timeless sophistication.
Radiant
Brilliant-cut fire with bold, modern lines.
Pear
Distinctive teardrop silhouette for unique designs.
Princess
Square brilliance with sharp, modern appeal.
Marquise
Elongated, eye-catching silhouette.
Heart
Romantic and expressive — perfect for signature pieces.
Explore our full range of loose lab grown diamonds , or buy lab grown diamonds with flexible ordering. For larger requirements, Maitri also supports wholesale lab grown diamonds and acts as a trusted lab grown diamond supplier for UK jewellers and designers.
Get Prices
Competitive pricing for UK jewellers, designers and trade buyers.
Order single stones or parcels, with flexible supply to suit your needs.
How It Works
A simple, transparent process designed for jewellers, workshops and bespoke designers. Fast, reliable and tailored for trade buyers.
1. Share Your Requirements
Tell us the shape, size, colour, clarity or target price or specification. You can also request sample stones if needed.
2. Get Stone Options
We source matching stones from our global inventory and send you curated options.
3. Approve & Confirm
Review specifications, certifications and pricing. Approve your chosen stones.
4. Fast UK Delivery
Secure tracked delivery. Express options available for urgent orders.
Get Prices
Competitive pricing for UK jewellers, designers and trade buyers.
Order single stones or parcels, with flexible supply to suit your needs.
About Maitri Diamonds
Founded in 2012, Maitri Diamonds was built on a simple but powerful belief: diamonds should be stunning, accessible, and entirely ethical. What began as a vision to create a modern alternative to mined diamonds has grown into a global lab-grown diamond manufacturer trusted by jewellers worldwide.
Our mission is to revolutionise the fine jewellery industry with conflict-free, sustainable lab-grown diamonds—crafted using advanced technology and responsible practices. Each stone reflects our commitment to innovation, precision cutting, and reduced environmental impact.
As we expand into the UK, our goal is to bring jewellers, designers and trade workshops a dependable, world-class supply partner—offering consistent quality and reliable supply.
Why Choose Us
Tailored for UK jewellers, designers and workshops — offering the reliability, quality and consistency the trade depends on.
Direct Manufacturer Pricing
Direct-from-grower pricing with stable margins for UK jewellers and resellers.
Fast UK Delivery
Inventory ready to ship with secure, insured logistics for urgent orders.
IGI/GIA Certification
Stones graded by the world’s most trusted gemological laboratories.
Consistent Quality
Precise cutting and strict QC ensures uniformity across orders and matched pairs.
Full Shape & Size Range
From 0.10ct to 10ct, including matched pairs and calibrated stones.
Trusted Global Grower
Over a decade of manufacturing expertise supporting jewellery brands worldwide.
Get Prices
Access trade pricing, live stock and matched stones for your requirements.
Order single stones or parcels with fast UK delivery.
