Go To Top


Richard T. Liddicoat, Jr (deceased) USA 1987

Prof. Dr. Edward J. Gubelin (deceased) Switzerland 1991

Padmashri Khailshanker Durlabhji(deceased) India 1993

Konrad Wild (deceased) Germany 1993

Ben-Zion Harel (deceased) Israel 2001

Reginald C. Miller USA 2001

Francesco Roberto Italy 2001

Yokin Sinchawla (deceased) Thailand 2001

Hans Stern (deceased) Brazil 2001

Tom Ellawalla Sri Lanka 2003

Shreyas K. Doshi India 2003

Roland Naftule USA 2003

Eckehard Julius Petsch Germany 2003

Daniel Piat France 2003

E. Gregory Sherman (deceased) Australia 2003

Vimal Chand Surana India 2003

Yasukazu Suwa Japan 2003

Rashmikant Durlabhji (deceased) India 2005

Hidetaka Kato Japan 2005

Ray Zajicek USA 2005

Israel Z. Eliezri Israel 2007

Sadaharu Fujita Japan 2007

Prof. Dr. Henry Hanni Switzerland 2007

Jules Roger Sauer Brazil 2007

John Saul USA 2007

Campbell Bridges (deceased) Kenya 2009

Yip Kun Poon Hong Kong 2009

Paolo Valentini Italy 2011

Hecliton Santini Henriques Brazil 2011

Joseph Menzie USA 2013

Prida Tiasuwan Thailand 2013

Jerry Sisk (deceased) USA 2013

Richard Krementz Jr.(deceased) USA 2013

 

Incolor Magazine Subscription

All about colored gemstones. A Publication of the International Colored Gemstone Association (ICA)

Read more

Join ICA

Membership in the International Colored Gemstone Association affords industry professionals worldwide...

Read more

ICA Bookstore

The International Colored Gemstone Association (ICA) provides this online bookstore as a service to the industry and is not to be considered an endorsement. 

Read more