请各位大师们帮帮忙翻译两句话,感激！

1.This is to certify that Andy Cai passed the gemmology practical certificate??June 2011.? ?Chief executive officer 2.Examined in the theory and practice of gemmology and hing satisfied the board of examiners is hereby granted? ? the gemmology diploma of the association. 谢谢。感激不尽。