2020年全球钻石产量下降至1.13亿克拉，降幅超过20％

jinnian3yuezhi5yue，quanqiuduozuozuanshikuangluxuzantingzuoye，jianada ekati kuangqu、eluoside aikhal、verkhne-munskoye he zarya kuangqu，tansangniya williamson kuangqu，laisuotuo liqhobong kuangquzhijinshangweihuifushengchan。qizhong ekati wei dominion jituanqixiachanliangzuidadezuanshikuang，nianchanliangkeda500wan-700wankela。

ciwai，aodaliya argyle zuanshikuangyu11yuejieshuzhangda37niandekaicaizuoye。zuoweiquanqiuzuizhongyaodefenzuanhehongzuanchuchandi，gaikuangquqijinyileijikaicai8.65yikelazuanshiyuanshi，pingjunmeinianshengchanyue10000kelapaoguangzuanshi。

quanqiuzuanshichanliangyu2017niandadao1.52yikeladezuigaodian，juyujizhi2025nianqianjiangbaochichongzushuiping。

paul zimnisky yuji2020niandezuanshiyuanshipingjunjiagexiajiang5%-10%，2021nianjiangchengxianhuishengtaishi，2022nianchuxianxiaofuhuiluo。

zhubaoshichangfangmian，jinnianquanqiuzuanshizhubaoxuqiuliangshizhongbaochixiaofuzengzhang，2020nianyinxinguanyiqingdeyingxiangxiajiangyue25%，paul zimnisky yucezhubaoshichangjiangyu2022nianhuo2023nianhuifuzhiyiqingzhiqiandeshuiping。