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Lab-grown diamond services & craftsmanship

We support manufacturers, retailers and brands with diamond polishing, certified stone supply, jewellery manufacturing and end-to-end supply solutions.

Rough to Polished Manufacturing

In-house planning, cutting and polishing of lab-grown rough into precisely finished polished diamonds.

Every stone starts with careful planning. Our team maps each rough to get the best balance of yield, proportion and brilliance, then cuts and polishes it in-house under strict quality control.

We process a wide range of shapes and sizes, and can run dedicated production for partners who need consistent specifications across large parcels.

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Polished Diamond Supply

Reliable B2B supply of polished lab-grown diamonds in matched parcels, calibrated sizes and fancy shapes.

Jewellery manufacturers, wholesalers and retailers rely on us for dependable inventory. We supply polished lab-grown diamonds in round and fancy shapes, from melee to larger centre stones, sorted and matched to your requirement.

Tell us your shape, size, colour and clarity range and we will build a parcel that fits your production and price point.

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Certified Loose Diamonds

Individually graded lab-grown diamonds with independent certification for retail and bridal buyers.

For centre stones and high-value pieces, we offer loose lab-grown diamonds with independent grading reports, so you and your customers know exactly what you are buying.

We help you compare cut, colour, clarity and carat side by side to find the stone that delivers the most beauty for the budget.

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Engagement & Bridal Jewellery

Engagement rings, wedding bands and bridal sets crafted around lab-grown diamonds.

From timeless solitaires to halo, three-stone and custom bridal designs, we create rings and bridal jewellery that are made to be worn and treasured for a lifetime.

Choose from our signature designs or work with our designers to create something completely your own.

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Custom Jewellery Manufacturing

Bespoke jewellery from sketch and CAD to finished piece, for individual clients and trade partners.

Share a sketch, a reference or just an idea. Our designers develop it into CAD, we confirm every detail with you, and our artisans handcraft the finished piece in gold or platinum.

We also manufacture to order for jewellery brands and retailers who need a dependable production partner.

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Private Label & Retail Collections

Ready-to-sell diamond jewellery collections developed for retailers and brands.

Launch or expand a lab-grown diamond range without building a factory. We develop retail-ready collections under your brand, from design and sampling to production and finishing.

Our own retail brand, Zarna Jewels, is built on the same manufacturing, so we understand what sells to modern customers.

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Our process

From rough to polished, from concept to collection

01

Consultation

We listen to your requirements, market and style preferences before recommending the right stones and design direction.

02

Design

Our team develops a refined concept that balances beauty, durability and the story behind the jewellery.

03

Creation

Each piece is made with skilled finishing, quality control and attention to detail from expert artisans.

04

Delivery

We pack and deliver with care, making sure every final detail is exactly as agreed.

Need a reliable diamond partner for trade or a premium retail collection?

Tell us your requirement, volume and target market, and we will help you build the right lab-grown diamond solution.

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