裸钻哪个品牌好?

 　　suizheluozuandingzhideshixing，luozuanchengledangxiazhubaoxiaofeizhezuiguanzhudechanpin。buguanshiyongyuzuanshidingzhihaishizuanshitouzi，maidaoxingjiabigaodeluozuandoushixiaofeizhedebuxiezhuiqiu。luozuannagepinpaihao?luozuannalimaizuihao，gengshidangxiazhubaoxiaofeizhezuiguanxindewenti。

　　zaihenduoxiaofeizhedeqianyishizhong，pinpaizaoyichengweilewomenxiaofeidezhongyaocankaobiaozhun，luozuansuishuoyuqitashangpinbutong，danshiwomendexiaofeilinianshizhongmeiyoubianguo。luozuannagepinpaihao?qishi，luozuanbenshendepinzhiyupinpaibingwuzhijieguanxi，danchundeyikeluozuanshimeiyoupinpaizhifende，zuanshipinzhishiyouzuanshi4cjueding，jizhongliang、yanse、sezeheqiegong。zhongliangheyanse、sezezheixiedoushitianranshengchengde，weiyishourengongyingxiangdeshizuanshideqiegong，zuanshiyouqiegeshangqiemoershenghou，zaipifadaoshangjia。suoyi，zuanshiwusuoweipinpai，gaopinzhijiushigaopinzhijiusuandaoleyibanshangjianeiyeshigaopinzhi，dipinzhideluozuanjiushizaikadiyachushouyehaishidipinzhi。

　　jiranluozuanwupinpaizhifen，neiweishenmebutongshangjiadeluozuanchajiashirucidedani?zheishiyinweimeigeshangjiadeyunyingchengben、pinpaizhimingdu、xiaoshoumoshidengdebutong，tongpinzhideluozuandeshoujiayehuibuyiyang。pinpailuozuandebaojiagongshiwei：

　　pinpailuozuanjiage=luozuanjiage+pinpaiyunyingchengben+zhimingdu+shangjiafuwu+dianmianweihu;

　　suoyi，zheijiushiweishenmepinpailuozuanjiagerucigaodeyuanyinle。luozuannajiazuibianyini?zheijiuyaokankannajiazuijiejinguojibaojiale。guojizuanshibaojiadan(rapaport diamond report)，shizuanshizhubaoshang、zuanshipifashangyuzuanshiqiegechangmaimaijiaoyizuanshishishichangxingqingdejiagecankao，meizhouwuhuigenjushichangxingqingjinxingbaojia。xiaofeizhezaigoumailuozuanshikeyiguanzhuyixia，woaizuanshiwangshiguoneizuizaozuizhuanyedezuanshidianshangzhiyi，caiyongquanqiusouzuanweixiaofeizhetigongzuiyouzhideluozuan，bingqieshiyizuijiejinluozuanjiazhidejiagechushou。haopinpaihaoshangjiashijingdeqiduibide，woaizuanshiwangzhengzhouluozuandingzhizhongxinqidainindedaolai。