Antwerp Natural Diamonds Since 1986

Not ordinary. Never generic.

Precision-cut natural diamonds created for jewellers who design standout pieces, signature collections and jewellery that cannot be repeated.

Explore Our Cuts Book a Private Viewing
85+ Custom designs
Rare Matched pairs
Precision Symmetry & light performance
From rough to remarkable

The Art of Diamond Manufacturing

Discover the exquisite craftsmanship and precision involved in creating the world's most stunning diamonds.

01 Origin
Responsible sourcing
Process 01

Sourcing Excellence

Our diamonds are sourced with utmost care and responsibility, ensuring ethical practices and exceptional quality from the mines to your hands.

Responsible Traceable Exceptional quality
02 Selection
Handpicked rough diamonds
Process 02

Prime Selection

Handpicked for their brilliance and rarity, our prime selection of diamonds represents the epitome of elegance and beauty, curated to exceed your expectations.

Brilliance Rarity Potential
03 Cutting
Precision meets technology
Process 03

Precision Cutting Mastery

Guided by seasoned craftsmen, our diamonds undergo meticulous cutting techniques, revealing their inherent radiance and allure with precision and mastery.

Precision Symmetry Light performance
04 Polishing
Finished by experienced hands
Process 04

Exquisite Polishing Expertise

With decades of expertise, our artisans meticulously polish each diamond to perfection, unveiling its flawless beauty and unmatched sparkle.

Artisan skill Refinement Final brilliance
05 Inspection
Every detail examined
Process 05

Rigorous Quality Assurance

Our commitment to quality is unwavering, as every diamond undergoes rigorous inspections and quality checks to ensure unparalleled purity and brilliance.

Inspection Consistency Quality control
06 Access
Antwerp to the world
Process 06

Seamless Customer Access

From selection to delivery, we prioritize your experience with seamless access and personalized service, making your journey with us effortless and enjoyable.

Personal service Reliable delivery Global access
Diamond Expertise

01 — 06

01 Maximum light performance

Brilliant
Cut

Precision-cut facets designed to capture, reflect and return light with exceptional brilliance, fire and scintillation.

Brilliance Fire Symmetry
Explore brilliant cuts
02 Architectural precision

Step
Cut

Long, precisely aligned facets create a refined hall-of-mirrors effect, revealing the diamond’s clarity and geometric structure.

Clarity Geometry Elegance
Explore step cuts
03 Heritage character

Old European
& Mine Cut

Historic cutting styles recognised by their individual proportions, broad facets and distinctive candlelight brilliance.

Heritage Broad Fire Character
Explore heritage cuts
04 Graceful transparency

Rose &
Portrait Cut

Delicate, low-profile diamonds with distinctive surface faceting, transparency and an elegant presence in contemporary jewellery.

Low Profile Transparency Refinement
Explore rose and portrait cuts
05 Colour brought to life

Fancy
Colour

Carefully selected and precision-cut diamonds designed to intensify natural colour while maintaining balance, brilliance and character.

Natural Colour Intensity Rarity
Explore fancy colours
06 Where ideas become signatures

Special
Cut

Rare silhouettes and precision-cut shapes created for standout jewellery, matched layouts and signature collections.

Bespoke Shapes Matched Pairs Signature Pieces
Discover special cuts
Beyond the standard

Shapes made for ideas
that refuse to look familiar.

We specialise in rare silhouettes, precision-cut side stones and distinctive shapes that are not common market goods.

Explore all shapes
Royal Rays Speciality Cuts Antwerp · Since 1986
Royal Rays diamond blueprint shape 01 01
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Micky Cut Gun Cut Bullet Cut Cadillac Cut Kite Cut Shield Cut Hexagon Lozenge Portrait Cut Alphabet Cuts

Centre stones · Side stones · Matched pairs · Calibrated layouts

85+ custom designs
Created for jewellery houses

Precision cut for the jewellery only you can create.

From matched side stones to bespoke centrepieces, Royal Rays helps jewellers transform original ideas into standout jewellery and signature collections.

Precision-cut diamond layout for signature jewellery
Royal Rays Precision Layout
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Matched Side Stones
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01 Balance

Matched
Side Stones

Precisely paired to frame a centre stone with balance, consistency and visual harmony.

Precision pairing Balanced proportions
02 Symmetry

Mirrored
Pairs

Opposing shapes cut to create precise symmetry across distinctive jewellery designs.

Left and right pairs Mirrored geometry
03 Calibration

Calibrated
Layouts

Carefully proportioned diamond arrangements developed for efficient jewellery production and exceptional final balance.

Production ready Measured layouts
04 Originality

Bespoke
Cuts

Distinctive diamond shapes developed around a jeweller's original creative concept.

Custom development Rare silhouettes
05 Consistency

Repeatable
Collection Stones

Consistent dimensions, proportions and quality for recognisable signature collections.

Repeatable sizing Collection consistency
06 Rarity

One-Off
Hero Pieces

Rare and unusual cuts created to make one exceptional piece unmistakably original.

Exceptional rarity Unique centrepieces
The people behind the precision

Experience shaped by
one standard of excellence.

Royal Rays combines industry experience, modern technology and artisan expertise to produce exceptional natural diamonds with precision and consistency.

Hiren Moradia
Leadership 01 Royal Rays BV
Antwerp Natural Diamonds
01
Director

Hiren
Moradia

Guiding Royal Rays with a focus on trusted relationships, specialist natural diamonds and long-term value for jewellery partners worldwide.

Dharmesh Moradia
Leadership 02 Royal Rays BV
Technology Artisan Precision
02
Operations Director

Dharmesh
Moradia

Combining modern technology with artisan techniques to deliver precision, consistency and responsible production across every stage of diamond manufacturing.

Two perspectives. One uncompromising standard of precision.

Royal Rays BV · Since 1986
Standards and policies

Confidence,
documented.

Recognised industry standards and clearly defined business policies support our commitment to quality, transparency and professional integrity.

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01 Industry Membership
Certified Member

Responsible
Jewellery Council

Royal Rays BV is represented as a certified member of the Responsible Jewellery Council, supporting recognised standards of professional business practice.

Member 0000 4917 RJC
02 Gemological Standards
Diamond Information

Gemological
Institute of America

GIA grading information provides an internationally recognised framework for understanding and evaluating the characteristics of natural diamonds.

Diamond grading Natural diamonds
Swipe to explore

Quality · Transparency · Professional integrity

Royal Rays BV