最新上线的珠宝保养演示视频作品，见链接
https://www.jewelvary.com/education/category/5
https://www.jewelvary.com/education/article/2
https://www.jewelvary.com/jewel/diy/ring/18k-white-gold-pink-sapphire-ring/RD0003-P1D1W8
（如何测量手寸？）
https://www.jewelvary.com/education/category/5
https://www.jewelvary.com/education/article/2
https://www.jewelvary.com/jewel/diy/ring/18k-white-gold-pink-sapphire-ring/RD0003-P1D1W8
（如何测量手寸？）