Premium Lab Grown Diamonds

Premium Lab Grown Diamonds

Trusted wholesale supplier based in London, UK

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IGI & GIA Certified Diamonds

IGI & GIA Certified Stones

Every diamond graded and guaranteed for quality

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Melee & Fancy Shapes

Melee & Fancy Shapes

Full range of shapes and melee in stock, ready to ship

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5,000+
Diamonds In Stock
IGI & GIA
Certified Stones
London
UK-Based Supplier
Trade
Wholesale Pricing

Browse by Diamond Shape

Explore our live stock by selecting a shape below

Round Round
Oval Oval
Princess Princess
Cushion Cushion
Emerald Emerald
Heart Heart
Pear Pear
Marquise Marquise
Radiant Radiant
Asscher Asscher

Our Products

Everything your jewellery business needs, sourced from lab to bench

Lab Grown Diamonds

Certified round and fancy-shape lab grown diamonds across a wide range of carat weights, colours and clarities. IGI & GIA graded.

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Fancy Loose & Layout

Fancy loose diamonds and layout sets in a variety of shapes and colours — ideal for accent stone requirements and bespoke settings.

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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.

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Why Choose Lab Diamonds UK LTD?

We supply jewellers across the UK with premium certified lab grown diamonds

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.
Flexible Payment Terms
Trade account terms available for established and growing customers.
UK-Based Operations
Fully UK-based — no international lead times, no customs delays.

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Access wholesale pricing, live stock and our full diamond catalogue.

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