Thomas Schurch Client Switzerland Joined October 2013 ContestContests Logos Status Prize * Ziemer Swiss Diamond AG We manufacture real Diamonds based on HPHT and CVD technology. 391 Logos Complete Status $375 Prize Ziemer Swiss Diamond AG We manufacture real Diamonds based on HPHT and CVD technology. 391 Complete $375 * The Prize Package includes the Designer prize and all LogoTournament fees.