买30分钻石一定要选3EX切工吗?

　　jinguan，rujinrenmenzaigoumaizuanshishi，xuanzedezuanshifenshuyuelaiyueda，danshi30fenzuanshirengranshiputongrenxuangouzuanjiedezhuliuqushi，30fenzuanshishipinrengranshihenduorendezuiai，neime，mai30fenzuanshishi，zuikanzhongzuanshi4cdenayigeni?mai30fenzuanshiyidingyaomai3exqiegongdema?

　　mai30fenzuanshiyidingyaomai3exqiegongdema?3exshizhizuanshideqiegong、paoguang、duicheng，nayigegengzhongyaoni?youbiyaoquanbuxuanzeexdema?yikeluozuandejiazhigaobugaoqujueyuluozuandeqiegong、yanse、jingduyijizhongliangsidazhongyaoyinsu，yinci，luozuanqiegongshizheisangetiaojianzhongzuizhongyaode，qicishipaoguang、duicheng。qiegongzhijiejuedingzheluozuandehuocaiyuliangdu，paoguangheduichengtongyangduiluozuanzhongyao，duizuanshiqizhexiushizuoyong;paoguangshizuanshikemianbiaomiandezhengtizhuangkuang，ruzuanshibiaomianjieliwendedamoshifouxizhi;duichengzeshikemianxingzhuangyuweizhidejingzhunchengdu，zuanshidetingshentaikuandengqiegebilijisuanbilijisuanchulaide，dabufendezuanshihuoduohuoshaojuyouxiexudeduichengpianshi，dantongchangbuyingxiangzuanshidewaiguan，zhishaoduiluozuaneryanshiruci。