Tuhia he haere tonu mo tenei whitianga - Hei mema o te roopu motu nui o Kariki, i wikitoria a Diamantidis i te mētara koura EuroBasket i te 2005; i te wa e whakapumau ana i te tiaki i whakaaetia ai te 59.7 anake mo ia kēmu. I eke hoki ia ki te toru-tohu i hiritia ai te mutunga o te kēmu haurua whakamutunga ki a France, i etahi hēkona noa i mua i te pere whakamutunga o te kēmu. I arahi hoki ia i taua whakataetae i roto i nga awhina, a he waahanga no te kapa All-EuroBasket. I te tau 2006, i whai wāhi nui ia ki te pakanga mētara hiriwa FIBA World Cup, me Kariki e whakamiharo ana i te Team USA i te haurua whakamutunga, a ka mutu a Diamantidis hei kaiarahi tahae o te whakataetae. Ko Diamantidis ano hoki he takirua takirua o te Olympics, i te mea i mau ia i nga tae Kariki i te 2004 me te 2008
, a i nga wa e rua i whiwhi i te wahi tuarima o te whakataetae, e taurite ana mo te mutunga pai rawa atu mo Kariki. I runga i ana whakatutukitanga maha, i whakaingoatia ia ko te Mister Europa Player o te Tau e te maheni hākinakina Itari Superbasket i te 2007. I whakaingoatia hoki ia ko te Kaitakaro Kaitakaro o te Tau i te 2007.