为什么圆钻一般比异形钻贵？贵在哪儿？

       xiangxinbushaoxiaofeizhezaigoumaizuanshideshihoudouhuifaxian，yibanzaiqitapinzhidengjidouxiangtongdeqingkuangxia，yuanxingzuanshijiagedouhuibiyixingzuananggui，neimeweishenmeyuanzuanhuibiyixingzuanguini？yuanzuanjiujingguizainale？xiamianhewoaizuanshiwanggongtonglejieyixia。

       zuanshigenjubutongdeqiegeshoufahuijiangzuanshiqiechengbutongxingzhuang，muqianshimianshangzuishouhuanyingdezuanshiyouyuanxingzuanshi、gongzhufangxingzuanshi，mayanxingzuanshi、ganlanxingzuanshi、shuidixingzuanshi、zumulvxingzuanshideng，zaizuanshijieyibanjiangyuanxingyiwaixingzhuangdezuanshitongchengyixingzuanshi。yixingzuanheyuanzuanyiyang，doushigenjuzuanshide4cbiaozhunlaizhidingjiagede，danzhenzhenggoumaizuanshishiquekeyifaxian，tongdengpinzhideyuanxingzuanshidouyaobiyixingzuangui20%-50%zuoyou，zhuyaoyouyixiajigeyuanyin：

       圆钻形状优势

       xiangduiyixingzuanlaishuoyuanzuanshibijiaojingdeqishijiandekaoyande，zuoweizuijingdiandezuanshixingzhuang，yuanzuanzaizhubaojiedeyingyongjiweiguangfan，bingqieliuxinglejigeshiji，yiranshixiandaihunjiezuanshishouxuan。ruguojiangtongyangkelashudeyuanzuanheyixingzuanfangzaiyiqibijiao，neimecongshijueshanglaikanyuanxingzuanshishikanqilaizuidade，yeshizuitixianzuanshihuocaidezuanshixingzhuang。

       qiciyinweitadezheguangxinghesunhaodu。shouxianshuoshuozheguangxing，womenzhisuoyixihuanzuanshi，doushiyouyutadehuocaishanliangduomu，jiagongshangxiwangnengjiangzuiduodezuanshiguangmangcongzhengmianzheshehuilai，zheizhongzheshexuyaojunyuncainengshizhenggezuanshishanliang。mingliangshideqiegeshiyidijianhetaimianzhongxinweizhoudeduichengti，xiangtongweizhishangmeigedamomianduimiandouyouyigedaxiaohejiaoduxiangtongdeqiegemian。erzheixiebilihejiaodudedaxiaodoushijingxinshejichulaide。

       圆钻损耗度高

       zhisuoyiyuanzuanbiyixingzuangui，shiyinweiyuanzuanzaiyuanshizuoqiemoshisunhaolvgaoda47%，qiemochuzuishanliangdezuanshihoujinsheng53%，yixingzuanzaiqiemowanchenghoukelazhongliangkebaoliu55%-60%。zuanshidemaopiyousimiantihuobamianti，tangruoyonglaizuoxinxingdehuoshuidixingdeyixingzuan，chupinlvkegaoda50%，erruoyonglaizuoyuanxingzuan，qichupinlvzhiyouyue30%。chupinlvgaodeyixingzuan，shuomingtashengliao，jiageyueweibiaozhunyuanzuandebachengzuoyou。