买钻戒如何避免钻石重量缩水?

　　zuanjieweihehuisuoshui?zuanjieshihenduohenduoxinrendebibeijiehunzuanshi，danshiyouhenduorenzaigoumaizuanjiejinianhou，xianghuanyizhongzuanjiekuanshiduizuanshijinxingxiangqianshi，youshihuifaxianzuanjiedezuanshizhongliangsuoshuile，yuanxiandezuanshibuzuliangle，zheishiweishenmeni?yifuhuisuoshuizheishiyizhongzhengchangxianxiang，neime，zuanjiehuizenmesuoshuini?maizuanjieruhebimianzuanshizhongliangsuoshuini?

　　muqianzuanshizhubaoxingyesihuyouzheiyangyigeqianguize，youyixiebudaodedeshangjiazaijiezhineibujiangzuanshidezhongliangduodale1fendao2fen。zheijiushizaochengzuanjiezhongliangsuoshuidezhuyin，dajiazaigoumaizuanjieshi，zheixiezuanjiewangwangdoushichengpin，womenyebukenengzhongxinrangshangjiajiangzuanshixiexiazhongxinduizuanshizhongliangjinxingceliang，suoyizheijilehenduoshangjiakechengzhiji，yinweizuanshizaixiangqianhouyekanbuchulaineimeyidiandiandezhongliangcha。

　　maizuanjieruhebimianzuanshizhongliangsuoshui?womenyidingyaozhuyiyixiasandian：

　　1、bushisuoyoudezuanshidoupeibeiyougiazhengshude，yinweiguojiguoneiduizuanshizhongliangyaoqiudebutong，zhiyou30fenji30fenyishangdezuanshicaihuichujugiaguojiquanweijiandingzhengshu，danshi，womengoumaizuanshishi，30fenyixiadezuanshiyidingyaoyaoqiushangjiachujuqiguojianjiandingzhengshu，30fenyishangdezuanshiyaoyaoqiushangjiachujugiaguojizhengshu。

　　2、yidingyaoquxinrendugaodezhubaoshangjiagoumai，buyaotantubianyiershanglemouxiebuliangshangjiadedang。

　　3、xuanzegexinghunjiedingzhi，xianzaidingzhishixiantiaoxuanzuanshi，houxuanjietuo，liangzhezhihecaishizuanjiejiage，nengbimianzuanshisuoshuizheizhongqingkuangdechuxian。

　　yishangjiushibimianzuanjiezuanshizhongliangsuoshuidesangefangmian，woaizuanshiwangzhixiaonanfeizuanshi，shihenanshoujiazuanshizhixiaoshangle，kaiyeliunianlai，shizhongzhiliyuweixiaofeizhetigongzuigaoxingjiabidezuanshi，maizuanshikanguowoaizuanshiwangzaijueding。