Analysis & Grading

GIA Diamond Origin Service Participants

GIA’s Diamond Origin Service relies on participating miners, manufacturers, wholesalers and retailers to ensure that expertly graded natural diamonds with confirmed countries of origin reach the end consumer.

If you’d like more information about the service, including how to add your company to this list, please contact us

Participating Manufacturers and Wholesalers

For your convenience, GIA may provide links to certain non-affiliated websites or referrals to certain non-GIA products or services. If you choose to visit these websites or to use such products or services, please be aware that the third party’s privacy policy, will govern your activities and any information you disclose while interacting with these limited websites. GIA is not responsible for the information practices of such non-affiliated websites or applications.

The below participants are listed in alphabetical order.

A.A. Rachminov Diamonds (2000) Ltd​
AA Rachiminov Diamonds logo

Ori Rachminov
Tel: +97 25 43975168
3 Jaboyinsky St
Ramat Gan, Tel Aviv District 5252001, Israel

Visit Participant's Website

Ankit Gems Pvt. Ltd.

Ankit Gems Logo Ankit Shah
Tel : +91 22 9820027680
E. Tower - EE 6011 / EC 6100, Bharat Diamond Bourse, BKC, Bandra (East)
Mumbai 400051, India

Visit Participant's Website

Aurostar Diamonds Botswana (Pty) Ltd.

Aurostar Logo Ashesh Jhaveri
Tel: +97 10 45540604
BITC Shells, Factory Type-A, Unit 2,
Block-8 Industrial,
Plot# 61128-30

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Dharmanandan Diamonds Pvt. Ltd.

Dharmanandan Diamonds Logo India: Hitesh Goti
USA: Rohit Domadia
Tel: India +91 97234 95000, USA +1 646 479 5544
Patel Falia, Gotala wadi, Katargam
Surat, Guj 395004, India

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Finestar Jewellery & Diamonds Pvt. Ltd.

Finestar Logo Ashutosh Patel
Tel: India +91 704 581 9145, USA +1 646 736 8383
DE-6010 (Entrance DC Tower) 6th Floor D Tower, Bharat Diamond Bourse, Bandra-Kurla Complex, Bandra
Mumbai 400051, India

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Hari Krishna Exports Pvt. Ltd.

Hari Krishna Exports Pvt. Brijesh Dholakia
Tel: +91 22 4300 4300
1701, The Capital, BKC, Bandra
Mumbai 400051, India

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IGC Group

IGC Mr. Marc Vidal
Tel: +32 3 203 4567
Schupstraat 15, 2018
Antwerp, Belgium

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J.B. And Brothers Pvt. Ltd.

JB and Brothers Logo Purvi Shah
Tel: +91 22 40342222
Tower FC-3011/12, 3rd Floor, Bharat Diamond Bourse, Bandra Kurla Complex, Bandra(East)
Mumbai 400051, India Visit Participant's Website

KGK International

KGK Miq Torrente
Tel: +1 212 279 1312
20 W. 47th St., Suite 1101
New York, NY, U.S.

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Kiran Gems Private Limited

Kiran Gems Logo Rajesh Lakhani
Tel: +91 22 4050 4444
Fe-5011, Bharat Diamond Bourse
Mumbai, Maharashtra 400051, India

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LAELIM Jewelry

Laelim Lin Xiang
Tel: +86-755-82337889
Unit A2403, Golden Plaza
Shenzhen, Guangdong 518000, China

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Mahendra Brothers

Mahendra Brothers Rishi Parikh
Tel: +91 22 6615600
CC7011, Bharat Diamond Bourse, BKC East
Mumbai, Maharashtra 400051, India

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Martin Flyer

Martin Flyer Logo Joshua Kaufman
Tel: +1 212 840 8899
70 W. 36th St., 6th Floor
New York, NY 10018, U.S.

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Millennium Diamonds

Millennium Diamonds Logo Riki Corthouts
Tel: +27 11 334 8612
Bedfordview, Gauteng 2007, South Africa

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Nungu Diamonds (Pty) Ltd.

Nungu Logo Ursula Kagiso Pule
Tel: +27 11 681 0209
Office F1W7, The Paragon, 1 Kramer Road
Bedfordview, 2007 South Africa

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Rez Diamonds

Rez Logo Mr. Erez Sasoonker
Tel: +27 825000235
1 Kramer Rd, Bedfordview, Paragon Building on the 1st floor
Johannesburg 2007

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Sheetal Group USA Inc.

Sheetal Sudhir Kakadia
Tel: +1 212 605 3290
15 W. 47th St., Suite 702
New York, NY 10036, U.S.

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Shree Ramkrishna Exports Pvt. Ltd.

SRK Vishal Jodhani
Tel: +91 22 4040 5555
CC 6055, Bharat Diamond Bourse, BKC
Bandra(E), Mumbai - 51, India

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Taché Company

Tache Manuel Rappaport
Tel: +32 3 234 1818
53 Hoveniersstraat, 2018
Antwerp, Belgium

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