与钻石相关的英语口语表达

3.A diamond is forever.
钻石恒久远，一颗永流传

这句就是经典的戴比尔斯集团广告语，中文翻译尤其强大。其实这句话不是原创，它来源于一本小说里的一句：So I really think that American gentlemen are the best after all, because kissing your hand may make you feel very very good but a diamond and safire bracelet lasts forever.