美宝蓝珠宝是来自于蓝宝石之乡-山东昌乐的本土化珠宝品牌，产品涉及天然红/蓝宝石K金首饰制品、天然红/蓝宝石925银首饰制品、天然蓝宝石礼品、天然蓝宝石雕刻件、天然宝石裸石、收藏级宝石等多个领域。欢迎批发零售！ 最具竞争力、最具价格优势的品牌珠宝之一中国著名品牌中华珠宝名店货真价实请用辅助物（如无弹性细线或者铁丝）缠绕你要戴戒指的部位，然后量出缠绕一周的长度，这个就是戒指的周长！然后查找对应的戒指号数！注意：手指缠绕细线一定要紧一些，防止测量过大！本标准以大拇指牌港码戒环为标准！应选指圈号码(号)直径(mm)周长(mm)112.338.6212.639.6312.940.5413.341.8513.743614.143.3714.445.2814.846.5915.147.41015.448.41115.849.61216.150.61316.551.81416.953.11517.2541617.655.31717.956.21818.357.51918.658.42019.059.72119.260.32219.561.22319.962.52420.263.42520.7652621662721.366.92821.667.82922.169.43022.6713122.971.93223.172.53323.573.8