美国自然历史博物馆展出20.46ct椭圆形蓝钻Okavango Blue

11yue10ri，meiguoziranlishibowuguangongkaizhanchuyikezhongda20.46ctdetuoyuanxinglanzuan——okavango blue，zheikelanzuandadao fancy deep blue sejihe vvs2 jingdujibie，jieziboziwanaguoyingzuanshigongsi okavango，zheiyeshizheikejuxinglanzuanshoucigongkailiangxiang。

okavango bluelanzuanqiegeqiandeyuanshizhongda41.11ct，2018nian5yue21rikaicaiziboziwanade orapa kuangqu，weiqijingaiguofaxianzuidadetongleixingzuanshi，qimingmingyuanziboziwanayichuyeshengdongzhiwujijuderedaizhaozediaokawangesanjiaozhou（okavango delta）。

zheikelanzuanzainiuyueyou4mingzuanshiqiegeshizuchengdetuanduiqiegeweiyike20.46ctdetuoyuanxinglanzuan，chengxiannongyudeshenlanseyijichusejingdu。

okavango bluelanzuanmuqianchenlieyu allison and roberto mignone baoshikuangwuguandemelissa and keith meisterzhantingnei，yuboziwanadezuanshichuchangongtongzhanchu，yujijiangzhanchu6geyue。gaiguanguanzhang george harlow biaoshi，gaopinzhilanzuanjiweishaojian，nenggoudadao20ctyishangzegengweizhengui。

20.46ct tuoyuanxingqiegelanzuan，dadao fancy deep blue sejihe vvs2 jingdu

41.11ct lanzuanyuanshi

meiguoziranlishibowuguanallison and roberto mignone baoshikuangwuguanzhanting