The Arete Diamond office is part of Umarutti s.r.o., a company with a 25-year tradition in the jewelry industry. We have been professionally involved in diamonds for over 10 years. We are one of the few diamond dealers in the Czech Republic to be members of the Diamond Club of Antwerp. We have achieved the highest possible qualifications in diamond valuation from the leading gemological institutions, GIA and HRD Antwerp. Vladimir Kondratěnko is a member and shareholder of the Diamond Club of Antwerp in Belgium. He received his professional education in London and Antwerp. He regularly attends conferences and seminars in the field of diamond valuation. Dr. Marie Hérová received her professional education in London.
AMBERIF is organized by AMBEREXPO – one of the most modern exhibition and congress facilities in Poland. We specialize in organizing local, national, and international events: trade fairs, exhibitions, congresses, conferences, events, fairs, and outdoor events.
