Sightholder directory




Head Office

Address Hoveniersstraat 30,
Antwerp 2018,
Belgium, Box 211-3
Phone +32-3-234-2424

Sales Offices

Address Diarough Hong Kong,
Room 1103,11/F
Hunghom Commercial,
Centre Tower B,
37 Ma Tau Wai Road,
Kowloon, Hong Kong
Naresh Surana
Address Emby International Inc.,
592 Fifth Avenue,
11th floor, New York,
New York 10036,
Ashit Parikh

Short Facts

Year of establishment 1975
Number of employees 2307
Number of offices 7

Group companies

  • Diarough Sourcing SA
  •  Diarough NV
  • Diarough European Sales NV
  • Diarough Hong Kong LTD
  • Diarough (Shanghai) Diamonds Co LTD
  • Diarough Middle East (DMCC)
  • Diarough Switzerland SARL
  • Unidesign Europe
  • Unidesign Jewellery Pvt. Ltd.
  • Emby International Inc, Unicreation Inc.

Diarough Sourcing SA


A global player, Diarough provides a comprehensive range of rough and polished, manufactured in our own factories with an emphasis on the excellence of the make and the creative variety of cuts. Diarough is also a leader in Natural Fancies. Our manufacturing skills are fully complemented by our marketing expertise.

Corporate Social Responsibility

As founding member of RJC Diarough Group is committed to the expansion of CSR initiatives within its organization and in the industry. An internal team of auditors guards compliance with all applicable standards at all times. 

Core Business Activity

Wholesaler, Polished manufacturer and Jewellery manufacturer

Product Range Overview

Rough Diamonds

A complete range from 0.02ct to +15ct

Core Polished Diamonds

Excellent cuts; Hearts and Arrows; Certified; Fine make; Rounds; Fancy shapes; Princess cuts; Tapers; Fancy colours.

Specialist Polished Diamonds

Proprietary cuts

Diamond Jewellery

All price points

Polished Outcome





Below 7pts

Fancy shapes Fancy colours Proprietary or branded makes
x x x x x x x x

Additional Services

Through our global network of companies and associate companies, Diarough's own team of in-house experts: facilitates and organizes the manufacture and production of diamond jewellery from the most exclusive and costly to more mass-market pieces; helps you develop new brand strategies, products and concepts; helps identify and successfully develop new selling opportunities / markets; provides marketing expertise embracing research, advertising campaign development, public relations, promotions, sales skills training, POS materials and display concepts and promotional themes.