钻石行情：2018年全球毛坯钻产值上升，产量下降

       jujinbolijincheng（kimberley process）shangzhougongbudeshuju，2018nianquanqiumaopishizongchanchuzhishangshengle2%，dadao144.7yimeiyuan，qizhongbociwanatishengmingxian。

       jutongji，2018niandequanqiumaopishijunjiashangshengle4%，wei$97/ct，danchanliangxiajiangle2%，wei1.484yikela。

       congquanqiufanweikan，eluosiyiranshiquanqiuzuidadezuanshimaopichanchuguo，buguoqichanzhizaiyinianneixiajiangle3%，dadao39.8yimeiyuan。bociwanaduiquanqiuchanzhitishengqidaolezhongyaodezuoyong，quanguozongchanzhibishangyinianzengzhangle6%，dadao35.3yimeiyuan。lingwai，jianadadechanzhiyeshangshengle2%，wei21yimeiyuan。

       产量整体下降

       2018nianaodaliyaagaierkuangdechanliangchuxianledafudutiaoshui（zhu：agaiershizhumingdefenzuanchandi）。aodaliyaquannianchanliangxiajiangle18%，jinwei1410wankela。kpchujudegaishujuhelituojituan（agaierkuangsuoyouzhe）deshujuwenhe。

       bociwanadechanliangshangshengle6%，dadao2440wankela。zhideyitideshi，zaiqianshidazuanshichanchuguozhong，bociwanadezuanpijiazhi（junjia）jiaogao。gaishujuyetixianzaidaibiersi（de beers）hebociwanazhengfudeheziqiye debswana debaogaozhong。pingjie2018niandegaochan，bociwanaqudailejianada，chengweishijiedierdazuanshichanchuguo（yichanliangji）。

主要产出国详细数据