为什么gia证书级别相同，钻石价格却不一样？

giazhengshuxiangtongjibiedezuanshi，huichuxianbutongdebaojia，zheizaishichangshanghenchangjian。zhuyaoyinweimeigegongsideyunyingchengbenbutong，huozhemeikemaopizuandechengpinlvbutong，yekenengyinwei，zuanshibenshendeyixieyinzangzhibiao，zaigiazhengshushangtixianbuchulai。

1、公司运营成本不同

meigegongsideyunyingchengbenbutong，yijiabutong，lirundianbutong。youxiegongsibenshendeyunyingchengbenjiugao，yaoxianghuoqulirun，zhinengtigaozuanshishoujia。biruhenduopinpaizhuanju，youyuyouzujin、rengongdenggezhongfujiachengben，zuanshijiageyibandoubijiaogao。

2、毛坯钻成品率不同

maopizuandechengpinlvyeshiyingxiangzuanshijiagedezhongyaochengbenyinsu，tongyikemaopizuanshi，ruguoqiegegongyidenggexiangdoubakongdebijiaohao，qiegechulaidezuanshigengda、pinzhigenghao，ruguozuanshiqiegegongyiyiban，chulaidechengpinzuankenengjiuxiaoyixie、pinzhiyegengdi。

maopizuanchengpinlvyuegao，yiweizhechengbengengdi，lirunlvyuegao。ruguochengpinlvdi，xiangyaoyoutongyangjibiedechengpinzuan，jiuyaosunhaogengduomaopizuan。

3、钻石隐藏指标不同

tongjibiedezuanshi，jiagebuyiyang，zaisi1jibiedezuanshizhongyouqichangjian。tongyangshi1kelasi1jidezuanshi，jiagexiangchajiqiankuaiyehenzhengchang。

zhuyaoyinweisi1jingdudengji，zairouyanguanchaxia，baoguotidekeguancechengduchajujiaoda。youdesi1zuanshifeichangganjing，jihuzai10beifangdajingxiayekanbudaobaoti；youxiesi1jizuanshijiubijiaozang，dadaolerouyankechadechengdu，youqishiyouheidiandezuanshi，zhinengjiangdijiagexiaoshou。

biruxiamianzheiliangkezuanshi，junwei50fen、fse、si1jingdu、wuyingguang，zuobianyikebaojia15444yuan，youbianbaojia19269yuan。youbianyikezuanshimingxianganjinghenduo。