GIA 研究发现“库里南钻石”可能为“超深”钻石

6yuejuxingde2020nianguojidiqiuhuaxuenianhui（goldschmidt conference）shang，gia yanjiutuanduigongbuyixiangzuixinfaxian——yingguowangshizhubaozhongdekulinanzuanshi（cullinan diamond）henkenengxingchengyu660qianmishenchudexiadiman，yijichaoshen（super-deep）zuanshi。

gia yanjiurenyuanjianceleyikekulinanzuanshishidezuanshiyangpin，zhong124ct，kaicaizilaisuotuowangguo letšeng zuanshikuangqu。zheikezuanshiyukulinanzuanshitongshuclippirzuanshi，juyoujingtichunjing、buhandanyuansu、chicunjiaoda、zazhihanliangdi、jingtixingzhuangbuguizedengtedian。

jinglamanguangpuyijiance，zheikezuanshidebaoguotizhongfaxianyizhongdibiaojiweihanjiandekuangwu——bushiyan（bridgmanite）decanliuhenji，zheizhongkuangwuyibanxingchengyujiduanyalitiaojianxiadexiadiman，shenduchaoguo660qianmi，xiangbidabufenchaoshenzuanshidexingchengweizhigengshen。

yanjiurenyuanjucituiduan，zheike124ctzuanshixingchengyudiqiushenchu，qizhongdebushiyankuangwusuizuanshidaodadibiao，yalijiangdihoufenjieyuzuanshijingtizhong，yuzhiyongyouxiangtongtezhengdekulinanzuanshihenyoukenengtongyangxingchengyudimanshenchu，weichaoshenzuanshi。

kulinanzuanshiyu1905niankaicaizinanfei premier kuangqu，zhongda3106.75ct，shiqijinquanqiufaxianzuidadebaoshijizuanshiyuanshi。1907nian，nanfeidelanshiwazhimindi（transvaal colony）zhengfuyi15wanyingbanggouruzheikezuanshi，zuoweiyingguoguowang edward vii de66suishengriliwu，xiangzhengnanfeiduiyingguodezhongcheng。

英国君主权杖，镶嵌一颗530.2ct的水滴形钻石Cullinan I，亦即Great Star of Africa钻石，可取下转换为胸针佩戴

英国帝国皇冠（Imperial State Crown），镶有一颗317.4ct的枕形钻石“Cullinan II”，共有66个切面，这颗钻石切割自库里南钻石原石，也被称为“Second Star of Africa”

gia yanjiurenyuanhaijiancelelingyike20ctlanzuan，chanzinanfei，yuxiwangzhizuantongshu type iib xingzuanshi，qijingtizhongtongyangfaxianbushiyancanliuhenji。yanjiurenyuantuiduanzheikelanzuanhexiwangzhizuandezhiseyuansupengyuanzihaiyangdibu，jingbankuaiyundongqianyizhidimanshubaigonglishenchu，lanzuanxingchenghoutongguohuoshanpenfadexingshifanhuidibiao。

xiwangzhizuan（hope diamond）shiquanqiuzuizhumingdelanzuan，17shijichuchanziyindugeerkangda（golconda）zuanshikuang，weibuhanrenhezazhiyuansude type iib xingzuanshi。zheikezuanshijingqiegeweiyike45.52ctdezhenxinglanzuan，muqianshouzangzaihuashengdundeshimisenxuehui（smithsonian institution）。

“Hope Diamond”蓝钻，重45.52ct，采用枕形切割，开采自印度 Golconda 矿区，1958年由 Harry Winson 捐赠给华盛顿的史密森学会（Smithsonian Institution）