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© 2026 NEO DIAM

Premium Natural & Lab-Grown Diamonds · Certified & Non-Certified

Brilliance Without
Compromise

From the heart of Surat to the world — NEO DIAM delivers exceptional diamonds for every occasion, every budget, and every vision.

Explore Our Collection → Learn About Diamonds →

Masterful Craftsmanship · Ethical Sourcing

The Art of
Perfection

Our artisans meticulously cut and polish each stone to unlock its maximum fire, scintillation, and brilliance. Experience true magnificence.

Discover Our Process → View Our Diamonds →

Bespoke Jewellery · Unforgettable Moments

Your Vision,
Our Masterpiece

Work directly with our concierge team to source the perfect diamond and craft a custom piece that tells your unique story.

Book a Consultation → Explore Services →
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Ethical Mining • Precision Cutting • Master Polishing • Bespoke Jewellery • Ethical Mining • Precision Cutting • Master Polishing • Bespoke Jewellery • Ethical Mining • Precision Cutting • Master Polishing • Bespoke Jewellery • Ethical Mining • Precision Cutting • Master Polishing • Bespoke Jewellery • Ethical Mining • Precision Cutting • Master Polishing • Bespoke Jewellery •
12+ Years
Industry Experience Since 2012
3 Offices
India · Taiwan · Hong Kong
100% Authentic
Certified by GIA, IGI & HRD
0.01ct–20ct
Complete Size Range Available

Beyond
Perfection.

We do not just cut diamonds; we release the imprisoned light within. Our ethical commitment ensures every stone empowers its origin.

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Natural Diamonds
Timeless

Natural
Diamonds

Timeless beauty formed over billions of years. Exquisite stones available in all colors, clarities, and shapes.

Size Range 0.01ct – 5ct
Origin Earth-Mined
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Lab-Grown Diamonds
Sustainable

Lab-Grown
Diamonds

Chemically identical to natural diamonds. Sustainably created and brilliantly priced for the modern conscious buyer.

Size Range 0.01ct – 20ct
Origin Laboratory
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Certified Diamonds
Guaranteed

Certified
Diamonds

Every certified diamond comes with a grading report from internationally recognized laboratories — your guarantee of quality.

Labs GIA, IGI, HRD
Authenticity 100% Guaranteed
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Non-Certified Diamonds
Wholesale

Non-Certified
Diamonds

Competitively priced, expertly selected parcels. Ideal for jewellery manufacturers, designers, and bulk buyers.

Pricing Competitive
Ideal For Bulk Buyers
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Diamond
Shapes

Discover the perfect silhouette for your story.

Click here to view
01

Round

Classic · Timeless · Max Brilliance
Most popular worldwide

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Round Diamond
02

Princess

Modern · Geometric · Bold
Second most popular

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Princess Diamond
03

Cushion

Romantic · Soft · Vintage
Square or elongated

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Cushion Diamond
04

Oval

Elegant · Elongated · Brilliant
Makes fingers look longer

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Oval Diamond
05

Emerald

Sophisticated · Art Deco
Step-cut hall-of-mirrors effect

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Emerald Diamond
06

Pear

Unique · Feminine · Distinctive
Point up or down

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Pear Diamond
07

Marquise

Dramatic · Bold · Elongating
Largest face-up of all shapes

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Marquise Diamond
08

Radiant

Brilliant · Versatile · Modern
Round + emerald combination

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Radiant Diamond
09

Asscher

Vintage · Geometric
Square step-cut cropped corners

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Asscher Diamond
10

Heart

Romantic · Symbolic · Unique
Requires high colour & clarity

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Heart Diamond

Whether you're a jewellery designer, retailer, or wholesaler — we have the diamonds you need.

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Why Neo Diam

01

Over a Decade of Expertise

Established in 2012 in Surat, Gujarat — the diamond capital of the world. Unmatched sourcing knowledge and market insight.

02

Strict Quality Control

Every diamond is hand-selected and inspected. We only supply what we would proudly put our name to.

03

Natural & Sustainable Options

We offer both mined natural diamonds and eco-conscious lab-grown alternatives — the choice is yours.

04

Trusted by Jewellers Worldwide

With offices in Taiwan and Hong Kong, we serve international jewellery brands, wholesalers, and retailers.

05

Certified Assurance

GIA, IGI, and HRD certified diamonds available. Full transparency with every purchase.

06

Personalised Service

We believe every diamond purchase is personal. Our team is available to guide you every step of the way.

Ready to Find Your
Perfect Diamond?

Whether you're a jewellery designer, retailer, or wholesaler — we have the diamonds you need.

Contact Us Today → Learn About Diamonds →

Words of
Brilliance

"

An absolute masterpiece. The craftsmanship and attention to detail are simply unmatched in the industry.

- E. Rothschild

"

Knowing my diamond was ethically sourced made it shine even brighter. Truly a brand with a soul.

- A. Sinclair

"

The bespoke process was a journey of pure luxury. Flawless execution from sketch to reality.

- J. Vanderbilt

"

I have never seen fire and brilliance like this before. The proprietary cut is breathtaking.

- M. Laurent

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