我爱钻石网欢迎您!微信小程序
今日金价
  • 黄金999: 832.75
  • 铂金950: 289.5
  • 钯金990: 252.8
钻戒定制专家

为何30分以下的钻石没有GIA鉴定证书?

发表于:2014-01-23      浏览:22225      来源于:我爱钻石网

   maizuanshikanzhengshuyijingshihenduoxiaofeizhedegouzuangongshi,neime,shibushisuoyoudezuanshidouyoufenjijiandingzhengshuni?bingfeiruci,zaiwoaizuanshiwang30fenyixiadezuanshizhiyouguojianngtcdezhengshu,er30fenyishangdezuanshiquejubeigiazhengshuhengtczhengshudeshuangrenzheng,neimezheishishenmeyuanyinni?weihe30fenyixiadezuanshimeiyougiajiandingzhengshuni?

  zuanshidedaxiaoyeyingxiangzhezuanshisuojubeidezhengshudezhonglei,duodadezuanshicaiyoujiandingzhengshuni?zheidianguoneiguowaideguanlishibutongde。zaioumeiguojiajibenxingchengliangdaxilie,fenbieyimeiguobaoshixueyuanweidaibiao,ouzhouyiguojizuanshiweiyuanhuiweidaibiao,gezishiyongxiangjindanyoulveyoubutongdejibiehemiaoshu。erxingchengtongyidezuanshifenjiguojibiaozhun,yizhishizuanshixingyedeqiangliehusheng。

各种钻石分级证书

  duodadezuanshiyoufenjizhengshu?anzhaoguojiguanli,zhubaoshangyibanzhihuiweidankezai0.30ct,ji30fenyishangdezuanshichujuzuanshi4cfenjizhengshu。erguoneishiyiguobiaoweibiaozhun,guidingle0.20ct,ji20fenyishangdezuanshichujuzuanshi4cfenjizhengshu。weihe30fenyixiadezuanshimeiyougiajiandingzhengshu?zheishiyinweiyibandiyuzheigekelashudezuanshizaijiandingshi,hennanduitadeyanse、jingdujinxingfenji,wufawanquanfenjijiubunengqueqiezhidaojiazhi;lingwaiyigekaolvjiushixiaokeladezuanshijiazhibugao,jiandingdefeiyongyoushihoushenzhihuichaoguozuanshibenshendejiazhide,suoyiyiban20fen、30fenyixiadezuanshibuhuichujuzuanshifenjizhengshu。suoyiyixiesuizuanxiangqiandezuanshishoushi,yibanyemeiyougiazuanshifenjizhengshu,zhishibiaomingzuanshizongdezhongliang,bijingbukenengjishoushishangsuoyoudezuanshizuojianding,zheiyangdezhengshufeiyonghuiguogao。

  30分以上的钻石只有国检证书有保障吗?国检证书国家珠宝玉石质量监督检验中心对不同类型和大小的钻石提供不同的出证服务,包括钻石及饰品的鉴定证书、鉴定评估证书、镶嵌钻石分级证书、大小不同的钻石分级证书。证书从设计制作直至打印发放采取严格的管理措施,并在网站为消费者和企业提供详细的网络查询功能,解决消费者购买后的疑虑。更多钻石证书的知识,请多多关注本网站。相关阅读:国检NGTC证书如何标切工等级的?

上一篇:

详解钻石GIA鉴定证书上的切工参数

下一篇:

GIA钻石都有镭射码吗?

你可能还想了解
包邮保价

包邮保价

全国联保

全国联保

线上刻字

商品终身保养

一钻双证

一钻双证

七天无理由退款

15天免费退换

188 2372 5712

周一-周五09:30-19:30
zhouliu-zhouri09:00-19:30

官方微信
微信小程序

Copyright © 2006-2022 我爱钻石网 cqzyjs.com All Rights Reserved
深圳市罗湖区翠竹街道贝丽北路金展珠宝广场二十层20F-05/06
shenzhenshizuanyonghengkejiyouxiangongsi

购物车
QQ咨询
移动版二维码
预约进店
返回顶部