Rio de Janeiro, one of the world’s most beautiful cities, was the venue for the 14th biennial
Congress of the International Colored Gemstone Association (ICA), with the global theme of ethical
mining and fair trade, held April 30 to May 4, 2011.
Rio de Janeiro, one of the world’s most beautiful cities, was the venue for the 14th biennial
Congress of the International Colored Gemstone Association (ICA), with the global theme of ethical
mining and fair trade, held April 30 to May 4, 2011.
We use cookies to optimize performance. and good experience in using the website If you continue to use this website By accepting the terms and conditions and privacy policy.
MARC INFORMATION