SI1净度的钻石性价比最高？选不好就是一大坑！

henduoyusuanyouxianyouxiangmaidazuanshiderenhuikaolvxuanzesi1zuanshijingdujibie，danbushisuoyousi1jingdudezuanshidouzhidemai，xuangousi1jibiedezuanshi，wubizhuyiyixiajidian：

1、确保肉眼干净

xuangou1kelayishangsi1jingdudezuanshi，yaojiehezhengshushangdejingdusumiaotu+10beifangdashipaitu，quebaorouyanganjing。

1kelayixiadesi1jizuanshizhuyaokan10beifangdashipaitu，keyikandaoshiwudehuahuigenghao。

2、注意辨别奶油钻

si1jingdudezuanshishi“naizuan”degailvbijiaodayixie，henduozhengguishangjiacaigouzuanshishihuizhudongweiwomenpaichunaikaxuanxiang。danyeyouyixiewuliangshangjiahuinanaizuandangzhengchangzuanshilaimai，zhengshushangdejingdusumiaotusuiranhenganjing，danshijixiaoguoquebingbuhao。

ruguozuanshijingdushisi1jibie，danzhengshushangyouzheiyangyiduanhua“clarity grade is based onclouds that is not shown”jiuyaojingtishifouweinaiyouzuan。ersi1jingdujibiedanzhiyoucloudyizhongneihanwu，yunzhuangwuyebidingshidamianjide，zheiyangdeyehenyoukenengshinaizuan。

3、注意黑点的聚集程度

si1jingdudezuanshineihanwuzhongleibijiaoduo，ruguoqizhongyouheiseneihanwu，qieheidianmianjibijiaoda，henyoukenengrouyanbuganjing，shijibiaoxianxiaoguojiaocha，yehenyingxiangzuanshijiazhi，zheiyangdebujianyimai。

zuihaotiaoxuanxiacixiangduifensandezuanshi、wuse，rouyanganjingdesi1zuanshi，zheiyangdezuanshishijibiaoxianhevsjingduzuanshiwuchabie，xingjiabihengao。

biruxiamianzheiliangkezuanshi，suirandoushisi1jingdujibie，danshijixiaoguochabiejiaoda。

zuanshiyourouyankejiandexiaci

chabuduokeyigenvs2pimeidesi1jizuanshi，rouyankanbudaoxiaci

si1jingdudezuanshixingjiabihengao，anzhaoyankedefenjibiaozhun，si1（weineihanji）jingdujibiedezuanshi，rouyanbukejianxiaci。si1yixiajingdudezuanshirouyanjihudounengkandaoxiaci。zongdelaishuo，xuangouzuanshi，zuihaolianxiyixiazhubaoguwen，bangzhunintiaoxuanxiaoguogenghaodesi1jizuanshi。