急!请英语高手翻译一下下述的这个英文荣誉证书
问题描述：
急!请英语高手翻译一下下述的这个英文荣誉证书
尊敬的____客户：
通过2008年度贵司与我司的业务往来数据评定,我们非常荣幸的通知您被评为“XXXX2008年度钻石级客户”.
本次客户评级工作,我司通过与客户2008年度业务往来数据分析,共分为9个级别,由高到低分别为：钻石级、白金级、七星、六星、五星、四星、三星、二星、一星.
答
Honorific__ ,
Via the assessment of the statistic between the business of your company and our company,we are in honour of informing you be evaluated as the "Diamond Class Client of XXXX 2008”
For assessment task of the clients,Our company via evaluating the statistic of the business between we and our clients,setting up nine classes together,they are descending as followed：
Diamond Class,Platina Class,7 Stars Class,6 Stars Class,5 Stars Class.4 Stars Class,3 Stars Class,2 Stars Class,and 1 Star Class.
级别这里翻译成Class 比Level更地道~以上是严格按照楼主的意思自己翻译的,