Lifetime achievement
Members that during their lifetime have made outstanding contributions to the ICA and the gemstone industry at large are honored with the ICA Lifetime Achievement Award.
| Richard T. Liddicoat, Jr. (deceased), USA, 1987 |
Prof. Dr. Edward J. Gubelin (deceased), Switzerland, 1991 |
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Padmashri Khailshanker Durlabhji (deceased), India, 1993 |
Konrad Wild (deceased), Germany, 1993 |
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Ben-Zion Harel (deceased), Israel, 2001 |
Reginald C. Miller, USA, 2001 |
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Francesco Roberto, Italy, 2001 |
Yokin Sinchawla (deceased), Thailand, 2001 |
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Hans Stern (deceased), Brazil, 2001 |
Tom Ellawalla, Sri Lanka, 2003 |
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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, (deceased), 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 | Kamil Ismail, Sri Lanka, 2015 |
| Rajiv Jain, India, 2017 | Nirmal Kumar Bardiya, India, 2017 |
| Henry Ho, Thailand, 2019 | Judith Bridges, USA, 2019 |
| Pornsit Sriorathaikul, Thailand, 2019 | Andrew Cody (deceased), Australia, 2023 |
| Jean Claude Michelou (Deceased), Colombia, 2023 |