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Natural Diamonds

Brilliance in Every Facet

All Shapes

We offer an extensive range of diamonds across all certified and commercial shapes, expertly crafted to meet diverse jewellery manufacturing and retail requirements. From timeless rounds to elegant fancy shapes including Oval, Pear, Emerald, Cushion, Princess, Marquise, Radiant and Heart, our collection is curated with precision, consistency, and exceptional finishing standards.

Callibrated Sizes

Our calibrated diamond programs are designed to ensure precision matching, uniformity, and production efficiency for jewellery manufacturers and wholesalers. Available in a wide range of calibrated layouts and millimetre specifications, our stones are ideal for high-volume production as well as bespoke jewellery creations.

Assorted Colors and Clarities

We provide a broad inventory of diamonds across assorted color and clarity combinations to cater to varied market segments and price points. From premium white goods to commercial assortments, every parcel is carefully sorted to maintain consistency, value, and quality assurance for our clients worldwide.

Special Cuts

Combining craftsmanship with innovation, our special cut diamonds are created for brands and designers seeking exclusivity and distinction. From unique faceting patterns to custom-designed shapes, we deliver diamonds that elevate jewellery collections with individuality, brilliance, and refined artistry.

Brilliant Solitaires

Our solitaire collection represents the finest expression of brilliance, fire, and elegance. Carefully selected and expertly polished, each solitaire diamond is crafted to maximize light performance and visual beauty, making it ideal for engagement rings, high jewellery, and statement creations.

Fancy Colors

We offer an exquisite selection of fancy color diamonds featuring naturally captivating hues and exceptional rarity. From subtle champagne and yellow tones to vibrant pinks, blues, and greens, our collection is curated for discerning jewellers and collectors seeking extraordinary beauty and exclusivity.

Custom Requriement?

At UNIDIAM, we have accumulated over 50 years of experience in the diamond manufacturing industry. Our team of experts is ready to assist you with all your diamond needs.

BELGIUM - CHINA - HONG KONG - INDIA

© 2026 by UNIDIAM

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