钻石是垄断行业，价值被人为提高很多。但这正在被打破。

来源: 于 2012-10-08 11:19:26 [旧帖] [给我悄悄话] 本文已被阅读：次

if just for fashion, fake one is enough and it is safe, too. If the relationship is not solid and other side buys for you, then go ahead. hehe

http://en.paperblog.com/massive-diamond-mine-discovered-in-russia-311931/
http://en.wikipedia.org/wiki/Synthetic_diamond