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A sightholder is a company on the De Beers Global Sightholder Sales's (DBGSS) list of authorized bulk purchasers of rough diamonds. De Beers Group made this list, the second largest miner of diamonds. DBGSS was previously known as DTC (Diamond Trading Company). In May 2006, DTC released a list of the 93 sightholders on its website.

The DTC Sightholder list was further reduced to 79 companies worldwide in December 2007. The list of selected companies for the 2008-2011 contract period was published in April 2008.[1][failed verification]

The DTC list of sightholders for 2021 is as follows;[2]

  • A. Dalumi Diamonds
  • Almod Diamonds Ltd.
  • AMC NV
  • Ankit Gems Private Limited
  • Arjav Diamonds NV
  • Asian Star Company Limited
  • Chow Sang Sang Jewellery Company Limited
  • Chow Tai Fook Jewellery Co.Ltd.
  • Dali Diamond Co.
  • Dharmanandan Diamonds Pvt Ltd
  • Diacor International Ltd.
  • Dianco
  • Diarough NV
  • Dimexon International Holding BV
  • Finestar Jewellery & Diamonds Pvt. Ltd.
  • Hari Krishna Exports Pvt. Ltd.
  • Hasenfeld-Stein Inc.
  • H Dipak
  • Hvk International Private Limited
  • IGC Group LTD
  • Jasani
  • Jewelex India Private Limited
  • Julius Klein Diamonds LLC
  • K Girdharlal International Limited
  • KARP Impex Ltd.
  • KGK Diamonds (I) Private Limited
  • Kiran Gems Private Limited
  • KP Sanghvi & Sons
  • Laurelton Diamonds
  • Laxmi Diamond Pvt Ltd.
  • M Suresh Company Private Limited
  • Mahendra Brothers Exports Private Limited
  • Mohit Diamonds Private Limited
  • Niru Diamonds Israel (1987) Ltd.
  • Pluczenik Diamond Company NV
  • Premier Gem (Group)
  • Rosy Blue (India) Pvt. Ltd.
  • Rosy Blue (NV) Business Alliance
  • S. Vinodkumar Diamonds Pvt. Ltd
  • Safdico
  • Sahar Atid Diamonds Ltd.
  • Schachter and Namdar (Pty) Ltd
  • Shairu Gems
  • Sheetal Manufacturing Company PVT LTD
  • Shree Ramkrishna Exports Private Limited
  • Taché Company NV
  • Tasaki & Co Ltd.
  • Trau Bros NV
  • Venus Jewel
  • Yerushalmi Bros. Diamonds Ltd
  • Yoshfe Diamonds International Ltd.


  1. ^ "Customer Directory". Retrieved 31 August 2017.
  2. ^ "DTC: A DeBeers Group company". Archived from the original on 3 January 2014. Retrieved 28 April 2021.