Director, Canada

R. T. Boyd Limited has been a jewellery trade supplier based in Canada since 1956. The original operating business name for R. T. Boyd Limited was Quality Opals of Australia from 1956 until 1982.  The late founder and former president, Dr. Russell Thomas Boyd, was also one of the founding members of the Canadian Gemmological Association in 1958. The Boyd family are well known in the jewellery, gemmological, mining, and minerals exploration communities in Canada.  Warren F. Boyd is the current president of R. T. Boyd Limited.    

Warren Boyd is a well traveled gemmologist and geologist who has also worked as a consultant in the development and financing of various colored gemstone and diamond mining operations around the world for more than 25 years. Sourcing coloured gemstones and diamonds has taken him to some of the remotest places in the world including the opal mines of Mexico and Australia, the sapphire mines in Sri Lanka and Thailand, the emerald mines in Colombia, Brazil, and Russia, and the diamond mines in Africa, Siberia, Brazil and northern Canada.  In 2007 Warren Boyd was appointed as the Ambassador to Canada for the International Colored Gemstone Association (ICA), an organization dedicated to the promotion of coloured gemstones and jewellery.

From 1981 to 1985 Warren Boyd was the President of the Canadian Gemmological Association. He has also served in a voluntary position, originally as the Chairman and subsequently as a contributing member, to the Canadian Government & Canadian Jewellery trade committee that has written and continuously edited the Canadian Guidelines With Respect to the Sale and Marketing of Diamonds, Coloured Gemstones and Pearls since the early 1980s.

Warren Boyd is also an experienced rough diamond valuator having trained in Russia, Antwerp, South Africa, and Canada and previously worked as a team member for the Canadian Government Diamond Valuator (CGDV). The CGDV, under contract to the Government of Canada, has the responsibility to value Canada's rough diamond production from the Northwest Territories and elsewhere for royalty assessment purposes.  From 1998 until 2006 Warren Boyd was also a director of a British based diamond consultancy firm offering advisory services to governments and diamond mining and exploration companies. In 2007 R. T. Boyd Limited was a founding partner in the formation of Canadian based Algonquian Diamond Counsellors International (ADCi) with Diamond Counsellors International (DCi).  ADCi was founded to seek government and mining industry contracts in the valuation of rough diamonds.

Warren Boyd has been a director of public companies searching for diamond deposits in various parts of the world.  Until recently he was also the marketing director of Tsar Emerald Corporation that has exploiting the near mythical emerald deposits of the Ural Mountains of Russia.
R. T. Boyd Limited has been long established as a jewellery trade supplier and jewellery designer and has developed an high reputation in the Canadian and international jewellery trade.  Some of R.T. Boyd Limited's clients have been dealing with us for two generations under the same corporate name.

Warren Boyd has also been involved as director and/or consultant with numerous coloured gemstone and diamond exploration and mining companies based in Canada and elsewhere. R. T. Boyd Limited has long standing memberships in some of Canada's finest jewellery industry and mining industry organizations attesting to the credibility of our family company.  We are knowledgeable in the global coloured gemstone and diamond business and carry an inventory of finer quality coloured gemstone jewellery and certified Canadian diamonds and diamond jewellery. Recently Warren Boyd has been involved in the mining and marketing of sapphires from the famous Rock Creek Sapphire mine in Montana as a Director of Marketing for Potentate Mining LLC

Board of Directors

Benjamin Hackman

President, USA

Damien Cody

Vice President, Australia

Santpal Sinchawla

Vice President, Thailand

Marcelo Ribeiro

Treasurer, Brazil

Bruce Bridges

Secretary, USA

Ehud Harel

Secretary, Israel

E. Gamini Zoysa

Secretary, Sri Lanka

Alice Muthama

Director, Kenya

Captain Ramji Sharma

Director, Japan

Duncan Mclauchlan

Director, UK

Gabriel Angarita

Director, Colombia

Henry Ho

Director, Thailand

Masaru Mizumura

Director, Japan

Nirmal Kumar Bardiya

Director, India

Pavel Sokolov

Director, Russia

Philippe Scordia

Director, France

Rakesh Jain

Director, Hong Kong

Shirley Xue Li Zhang

Director, Hong Kong

Stephan Reif

Director, Austria

Vijay Kedia

Director, India

Warren F. Boyd

Director, Canada

Yu Xiaojin

Director, China

Clement Sabbagh

Advisor, Brazil

Jean Claude Michelou

Advisor, Colombia

Jeffrey Bilgore

Advisor, USA

Wilson Yuen

Immediate Past President, Hong Kong

Gary Roskin

Executive Director, USA

About Us

The ICA is a worldwide body specifically created to benefit the global colored gemstone industry by advancing and promoting the knowledge and appreciation of colored gemstones.
New York Office: 31 West 47th St., Suite 1103, New York, NY 10036
+1 (212) 620-0900
ica (at)
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+852 2365-9318
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