Company Offices

Head Office

Dianco DMCC
41 G-H, Almas Tower, JLT,
Dubai, UAE
T: +971 4 361 9827

Sales Offices

Dianco BV
Hoveniersstraat 2, PO Box 306,
2018, Antwerpen, Belgium
T: +32 3 232 98 27

Dianco Solitaire LLC
50 West, 47 Street, Suite 1809,
NY 10036, New York, USA
T: +1 (917) 965 2365

D.Navinchandra Exports Pvt Ltd
GW8101, Bharat Diamond Bourse,
BKC, Mumbai 400051, India
T: +91 226 607 6000

Dianco (HK) Ltd
No. 51 Man Yue Street, Hunghom,
Kowloon, Hong Kong
T: +852 3904 2595/97

Dianco (Shanghai) Ltd
1701 Century Avenue, Pudong,
200122, Shanghai, PRC, China
T: +86 21 61099375/76


Associated Companies

  • Dianco LLC
  • Dianco DMCC
Dianco (HK) Ltd
Dianco (Shanghai) Ltd

Company Summary

Dianco takes immense pride in being a multi-generational family business that spans three generations, carrying with it a legacy of over 70 years in the diamond industry. Throughout these years, its expertise has grown, making it a leading force in the field.

At Dianco, inclusivity is at the core of its values. The company believes in creating a diverse and welcoming environment that celebrates differences and fosters innovation. The commitment to sustainability is unwavering, as Dianco actively invests in eco-friendly practices across its operations, ensuring responsible sourcing and minimizing its environmental footprint.

Dianco’s specialization lies in the comprehensive process of purchasing, manufacturing, certifying, and distributing diamonds worldwide. What sets the company apart is its exclusive access to some of the world’s largest diamond mines. Being a Rio Tinto Select Diamantaire and a De Beers Group Sightholder, Dianco has a unique advantage in sourcing the finest raw materials. The dedication to traceability means that each diamond’s journey, from mine to market, is transparent and ethically managed.

To ensure the highest level of quality control and craftsmanship, Dianco has established a sealed pipeline that guides each diamond through its in-house, state-of-the-art manufacturing facilities in Surat, Botswana and Namibia. Within these cutting-edge facilities, skilled artisans meticulously transform rough diamonds into stunning gems, each carrying the brilliance and precision that the brand is known for.

Core Business

  • Cutting & Polishing
  • Jewellery Manufacturing
  • Polished Sales
  • Rough Sales

Core Product/Type of Goods

  • Round and fancies under 3.00 carat
  • GIA, HRD and IGI certified goods from 0.20 to 3.00 carats
  • Non-certified assortments from 0.005 carats to 0.90 carats
  • VVS-I3 Clarity
  • D-K Color


  • Diavik

Markets Served

Europe, Asia, North America, South America and Africa

We have offices in Antwerp, Dubai, Gaborone, Hong Kong, New York, Shanghai, Windhoek, Mumbai and Surat.

Special Notes

At Dianco, customers are our priority. Every aspect of our business, from sourcing to manufacturing and community engagement, is geared towards ensuring our customers receive the highest quality and authenticity in every diamond purchase.

Moreover, giving back to the community is a fundamental pillar of Dianco. The company actively engages in various philanthropic initiatives, supporting local communities and empowering them for a brighter future. As a result, customers can trust in the excellence, authenticity, and positive impact that every diamond from this family-owned enterprise embodies.

Back to Directory