IDEX：三月，成品钻石价格出现两年来最大涨幅

2018nian1yue-2021nian3yuezhijiandechengpinzuanjiagezhishutongbibianhuabiao：

jinglileeryuefendeweidiaozhihou，sanyuefenjiagezhishudehuanbizhangfuwei0.3%（ruxiatu）。zheishijiyiyuefende+1.4%zhihou，jinnianchuxiandediercidanyuehuanbishangsheng。

sanyuefennei，idexchengpinzuanjiagezhishushangsheng0.8%。chulezuihouyizhouchuxianlexiexudiaozhengzhiwai，qitarizilizuanshijiagezhishudouzaiwenbushangsheng。jiezhisanyuemo，zhishutingliuzai122.57，gaoyueryuefende122.21heyiyuefende122.44。

zi2019nian6yueyilai，sanyuefendechengpinzuanjiagezhishudadaolelishizuigaodian。jinguanguochengzhongjinglileyixiexiadiao（ru2020nian4yuededigu），danyiqingzhihoudezuanshijiagechixushangsheng，yijingshibuzhengdeshishi。zhibuguo，ruguowomenguanchajinshiniandezhengtiquxian（ruxiatu），keyikandaocong2011niankaishichengpinzuanjiagehaishichuyuxiajiangzhuangtai。muqiandeduanqizhangjiaqushisuiranmingxian，danyijiuwufayu2011nianxiabanniandezhuangkuangxiangtibinglun。

sanyuefennei，chule0.5kelahe1.0kelazhongliangqujiandezuanshizhiwai，qitasuoyouqujiandezuanshijiagedoubieryuefenyouyidingchengdudeshangsheng。buguoxiangbiyiyuefeneryan，sanyuedehuanbizhangfuhaishixiangduipinghuande。

xiangbiquniantongqi，jinniansanyuefensuoyouzhongliangqujiandezuanshijiagedouzaishangsheng，qizhong0.5kelaqujiandezhangfuyouweimingxian，dadaole15.2%。4.0keladebiaoxianhenhao，zhangfuwei11.5%。1.0kela-3.0kelaqujiandejiagejunwenbushangsheng。

xiatushisuoyouzhongliangqujiandezuanshijiagezhishuzaiguoqusannianneidebianhuaqushi。sanyuefenzhengtiwenzhongyousheng，qizhongdakelizuanshidejiagetishengshifenmingxian。

sanyuefendezhengtiqushishixiangshangde，wulunshihuanbihaishitongbidouxianxianlejiaoweijijidezhuangtai。xiangbiyiqingzhiqian，zheizhongzhangjiashijiaoweijiankangdeshichangbiaoxian。