典当品牌钻戒为何会贬值？

　　北京市民宋女士2005年初在北京花费了1万多元买了一枚46分大小的品牌钻戒，如今想变现时却被典当行告知“最多能卖4000元”，典当行老板称像卡地亚钻戒、周大福钻戒、老凤祥钻戒等品牌钻戒典当时都会贬值，典当品牌钻戒为何会贬值?

　　典当品牌钻戒为何会贬值?典当行老板称，从商场买钻戒特别是品牌钻戒，经过加工等程序，附加值占比大。但这并不会随着时间而增值，相反可能会贬值。像宋女士所购买的46分品牌钻戒，tamenhuishouzaimaiyedingduojiunengmai5000duoyuan。

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