IDEX：四月份成品钻石价格指数小幅上升0.7%

5yue4ri，idexfabulesiyuefendezuanshijiagexinxi，biaoshigaiyuedechengpinzuanshijiagezhishuzhengtixiaofushangsheng0.7%。

idexrenwei，siyuefendejiagehuisheng“yexubiaozhizhezuanshixingyedefuxing”。xiangbieryuexiajiang1.27%、sanyuexiajiang1.6%decanzhuang，siyuedefandanjiyeneidailailexinxin。erqieruguozixiguanchadehua，huifaxiansiyuemeitiandezhangfudoushi“huanmanerwendingde”（ruxiatu）。

xiangyaodadaoqianxieniandezuanshijiagezhishu，haishiyigerenzhongerdaoyuandeshiqing，bijingidexjiagezhishumuqianyijiuchuyuwunianlaidezuidiwei。2020nianqiansigeyuedepingjunjiagezhishuwei119.06，yu2019quannianpingjunzhi122.16haishiyoubuxiaodechaju。2019nianbi2018niangengdi，danbi2017nianhaoyixie。

xiatuwei2015-2020niandeidexchengpinzuanjiagezhishuquxian，kegongcankao。

anyuejinxingduibidehua，xiangbisanyuefendejijuxiahua，siyuefenqueshihaozhuanlehenduo。zi2018nian12yueyilai，meigeyuedezuanshijiagejibendoubishangyigeyueyaodi（ruxiatu）。

congchanpinzhongliangshanglaiqufen：jihusuoyouzhongliangdengjidezuanshijiagebiaoxiandouyouyusanyuefen。jishishichixuxiajiangdeneixiequyu，siyuedejiangfuyexiaoyusanyue。gengzhideyitideshi，siyuefendakelidebiaoxianfeichanghao，qizhong3ctdecong-0.9%yiyuechengwei+1.8%、4ctdecong-7.4%niuzhuancheng+0.6%，keweijingren。

ouzhouguojiayijingkaishizhujianfangkailefengsuozhengce，yinduyeyijingkaishihuifuduiwaifahuo，zuanshixingyexiaoshoujiangmanmanjinruzhenggui，huishengdaozhengchangzhuangtai。shouyiqingyingxiangdexinrenmenjiangzaizheiduanshijianjizhongxuangouzuanshichanpin（ruzuanjie），anzhaozheigequshi，zuanshixiaoshoujiangjinruyigexindexiaogaofeng，zuanshijiageyihuojiangxiaofuxiajiang。