We were selected amongst the 100 best adresses for creative classes in europe. Publication by the journal COUNTRY in Hamburg. Edition 2/2000 fall-winter
Katerina Kestemont received a honorable mention in 1996 at the international contest of the INNUNG DER EDELSTEIN GRAVEURE of Idar-Oberstein, Germany.
Hubert Heldner is one of the three winners of the first " Swiss Jewelry Design Contest " in September 2002 by the edition TRES OR and is in the possession of a certificat of capacity as a jeweller of the Swiss Confederation in 1985 / Curriculum Vitae
Hubert Heldner signs responsible for the sucessful installation of a lapidary training workshop in Tanzania, at the Southern and Eastern African Mineral Centre (SEAMIC) headquarters in Dar-es-Salaam. November 2005. Including the training of 5 lapidary instructors. The center has been renamed to African Minerals and Geosciences Centre (AMGC) in 2015.
Organization of several Gemstone Safari's in Tanzania in collaboration with Mr. Nakara Steven Matemu a geologist, cristallograph, mineralogist and gemmologist, since September 2007 until today.
One month assignment to design a new jewelry collection for Kirmena Gold in Cairo Egypt, June 2008.
Technical assistance for the lapidary and jewelry training workshop of Miss Noreen Masaki Lapidary Training Centre - Dar-es-Salaam since September 2012.
Hubert Heldner signs responsible for the sucessful installation of a lapidary training workshop in Tanzania, at Shinyanga Vocational Training Center (VETA) November 2015. In house training in Shinyanga, was provided by Mrs Noreen Maskai director of the Lapidary training Centre. Two instructors have completed the training with sucess in February 2017. The first class in gemstone cutting and gemology began in March 2017.