A Sightholder is a company on the De Beers Global Sightholder Sales's (DBGSS) list of authorized bulk purchasers of rough diamonds. DBGSS is controlled by the De Beers Group, the single largest producer and purveyor of rough diamonds in the world. 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.
The DTC list of sightholders for 2013 is as follows;
A. Dalumi Diamonds
Almod Diamonds Ltd.
AMC NV
Ankit Gems Private Limited
Arjav Diamonds NV
Asian Star Company Limited
Bhavani Gems
Blue Star Diamonds Pvt. Ltd.
Chow Sang Sang Jewellery Company Limited
Chow Tai Fook Jewellery Co.Ltd.
Crossworks Manufacturing Ltd.
Dali Diamond Co.
DDM Arabov Group
De Toledo Diamonds Ltd
Dharmanandan Diamonds Pvt Ltd
Diacor International Ltd.
Dianco
Diarough NV
Dilipkumar V. Lakhi
Digico Holdings Ltd.
Dimexon International Holding BV
E.F.D. Ltd.
Eloquence Corporation dba MWI ELOQUENCE
Eurostar Diamonds International S.A.
Exelco
EZ Diamonds
Fruchter Gad Diamonds Ltd.
Finestar Jewellery & Diamonds Pvt. Ltd.
Gitanjali Gems Ltd.
Gold Star Diamond Private Limited
Hard Stone Processing (Pty) Ltd
Hari Krishna Exports Pvt. Ltd.
Hasenfeld-Stein Inc.
H Dipak
Henri Polak
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
Kristall Production Corporation OAO
L. M. Van Moppes & Sons Ltd
Laurelton Diamonds
Laxmi Diamond Pvt Ltd
Lazare Kaplan International Inc.
Leo Schachter International Ltd.
Lieber & Solow Ltd.
M Suresh Company Private Limited
Mahendra Brothers Exports Private Limited
Mohit Diamonds Private Limited
MOTIGANZ Diamond Group
Niru Diamonds Israel (1987) Ltd.
Pluczenik Diamond Company NV
Premier Gem (Group)
Richold SA
Rockstar
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
Shrenuj & Company Limited
Star Diamond Group (SDG) BV
Stuller, Inc.
Suashish Diamonds Ltd.
Taché Company NV
Tasaki & Co Ltd.
Trau Bros NV
Venus Jewel
Vijay Diamond FZE
Wing Hang Company Limited
Yerushalmi Bros. Diamonds Ltd
Yoshfe Diamonds International Ltd.
Yosi Glick Diamonds (2003) Ltd.