IT IS ABOUT TIME YOU STARTED ENJOYING 

BETTER MARGINS & BETTER SERVICE.

Hundreds of jewelry retailers, jewelry manufacturers, and wholesalers around the world work with Dianco to access a range of polished diamonds, crafted from the best quality rough diamonds, sourced directly from world-leading mines. 

DIRECT ACCESS TO MINES

Get direct access to diamonds sourced from the world's largest mines. We are an Alrosa Alliance Member, a Sightholder of the De Beers Group and a Rio Tinto Select Diamantaire.

STATE-OF-THE-ART MANUFACTURING

We have a wide selection of polished diamonds that have been cut to perfection in our in-house manu-facturing and cutting facilities. Place custom orders, enjoy consistent supply and accurate assortments.

24/7 SERVICE

Secure the service you deserve. We promise to deliver you a seamless experience while sourcing your diamonds. We strive to deliver excellence and  an enjoyable journey with the Dianco team.

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SIT BACK AND RELAX WHILE YOU

ENJOY A WIDE SELECTION

ROUGH DIAMONDS

Browse through our wide selection of rough diamonds that are hand-selected from the largest mines around the world. We stock everything from industrial rough to top gem-quality rough.

POLISHED DIAMONDS

Using a combination of technology and art, we manufacture, cut, and polish in-house a wide selection of diamonds that vary in sizes, colors, cuts, and clarities.

CERTIFIED DIAMONDS

Access our collection of GIA, IGI, and HRD certified diamonds. They range up to 3 carats.
 

NON-CERTIFIED DIAMONDS

We carry a selection of non-certified diamonds,

that vary from -2 to 2.00 carats.

To find out more about our diamonds.

WE GOT YOUR BACK

SECURE BETTER SERVICE

Shake on It

Competitive

Pricing

Personal Account Manager

Global

Presence

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Consistent 

Assortments

Regular 

Supply

Flexible

Payment Options

Certificate of

Origin

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MM Wise

Sizing

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Custom Manufacturing​

To find out more about our diamonds.

WE WANT MORE FOR YOU

LET'S GET YOU BETTER MARGINS

We have formed strategic partnerships with the world's largest mines. Our diamonds are sourced directly from there, to ensure we can offer our customers competitive pricing and a consistent supply.

rio tinto diamond mine

GET STARTED WITH DIANCO TODAY.

With our direct access to leading mines and seamless customer service, it has never been easier to enjoy better margins.