206克拉绿宝石是什么概念?260克拉绿宝石多大?

  206kelalvbaoshishishenmegainian?260kelalvbaoshiduoda?woaizuanshiwangweidajiazhanxiandezheikebaoshishilaizigelunbiyadetianranzumulv，zhongda206kela，beichengweishi“youshiyilaizuizhenguidebaoshizhiyi”，bingliangxiangdi41jiebasaierguojizhongbiaozhubaozhan。 baycogongsideyongyouzhehadjibayxiongdimorishegiacomojitaqumingjiao“diguofeicui”。