About Us

Lab Diamonds UK LTD is a UK-based wholesale supplier of premium lab grown diamonds, proudly operating from the heart of London's world-renowned diamond district.

Who We Are

We supply independent jewellers, designers, and trade buyers across the United Kingdom with a carefully curated range of certified lab grown diamonds. Our stock spans all major shapes, carat weights, colours, and clarities — giving our customers access to thousands of stones from a single, trusted source. Every diamond we carry is graded by IGI or GIA, ensuring full transparency and confidence at every stage of the buying process.

Our Vision

To work hard, honestly and efficiently together as partners with our customers, vendors and employees to grow together. To always strive to innovate, improve and be the best at what we do and push our teams to do the same. We believe lab grown diamonds represent the future of the industry — offering the same physical, chemical, and optical properties as mined diamonds, with greater ethical clarity and value for our customers.

What We Offer

Our product range is built around the needs of the modern jewellery trade:

  • Lab Grown Diamonds — Certified round and fancy-shape diamonds across a wide range of carat weights, colours and clarities. IGI & GIA graded.
  • Fancy Melee & Layout — Fancy loose diamonds and layout sets in a variety of shapes and colours, ideal for accent stone requirements and bespoke settings.
  • Round Melee & Pointers — High-quality round melee and pointer diamonds for pavé, channel and halo settings, available in D–E, VS–SI colour and clarity grades.
Why Choose Us
  • Certified Stones — Every diamond comes with a full IGI or GIA grading report.
  • Competitive Wholesale Pricing — Directly sourced diamonds — real savings passed on to your business.
  • Fast UK Delivery — Rapid insured dispatch from our London office, delivered nationwide.
  • Dedicated Account Manager — Personal service with a dedicated point of contact for every account.
  • 5,000+ Diamonds In Stock — An extensive live inventory updated in real time, available to browse online.
  • Ethically Sourced — Lab grown diamonds leave no mining footprint, making them a responsible choice for your customers.
Get In Touch

We welcome enquiries from trade buyers and jewellers across the UK.

Contact us today to discuss your requirements, request a quote, or learn more about our product range. Our team is here to provide expert guidance and support to help you find the perfect lab grown diamonds for your business.