博兹瓦纳 Karowe 矿区发现一颗470ct浅棕色钻石原石

zheike470ctzuanshikaicaizi karowe kuangqunanbulirunjiaogaode em/pk(s) danyuan。

lucara tongshigongbuyixiliexinzuanshifaxian，baokuo5kechaoguo100ctdezuanshi，13ke50ctzhi100ctdezuanshiyuanshi。baokuobenpicizainei，karowe kuangqu1yuezhijinyileijichuchan10kechaoguo100ctdezuanshiyuanshi，qizhong6kechaoguo200ct。

gaigongsibiaoshi，2021nian5yue，karowe kuangqude10.8ctyishangteshuchicunzuanshichuchanliangzhanzongkaicailiangde12.7%，chaochu lucara duigaikuangqudeyuqi。

lucara jihuajiang karowe kuangqunanbuzuowei2021niandekaicaizhongdian，yujigaikuangqudelutiankuangzangjiangyu2026niankaicaidaijin，suihoujiangzhuanrudixiakaicai，lucara jiangchizi5.14yimeiyuanjinxingdixiakuojianxiangmu，yujihaoshi5nianwancheng，gaikuangqudekaicainianxianyouwangyanzhangzhi2040nian。