如何选购钻石-GIA 4分钟版本 | GIA
1,319 views · Published 21 July 2014 · 4:23 · Indexed 12 October 2026
Channel: GIA (Gemological Institute of America) · 2014 · People & Blogs
此视频让你了解美国钻石研究院如何鉴定钻石和向消费者提供公正的钻石鉴定证书。GIA钻石鉴定证书使你确定你的钻石价值和品质。了解更多关于钻石鉴定证书请访问http://gia4cs.gia.edu
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