G750代表什么材质?

 　　xixinderenzaigoumaikjinjiezhishi，douhuizhuyidaojiezhineicekezheg750deziyang，zheishibujinrangrenzhiyile，g750shishenmeyisi?g750daibiaoshenmecaizhini?

　　g750shizhichunjinhanliangwei75%dehuangjin，yejiushirenmenchangchangjiandaode18kjin，yongzhuanyedeshuyulaishuojiushig750，womenxianlaishuoshuo“g”ba，gyuansushiyizhonghuangjindehuaxueyuansufuhao，“750”biaoshidejiushihuangjindechundu，zaiwoguo，yibanxiguanxingdeyongshuzihuozheqitadedongxilaibiaoshiyigedongxidechundu，huangjinchunduyebuliwai，750biaoshidejiushihanliangwei75%deshoushi，xianzaihenduozhubaoshoushishangdouhuikeyouzheiyangdebiaoshi。ranhoulingwaide25%jiushitianjialetong，tie，xin，ba，yindengjinshuhunhezhichengde，zheiyangzhichengdeg750jiubihuangjindeyingdugaohenduo，nenggouzhichengrenyikuanshi，erqiejiageyebianyi，suoyig750pubianyongyubaoshixiangqian。

长长久久/18K白金钻戒/0.517/SI/I-J/VG

　　g750douyoushenmeyansedeni?youyuhanyouqitadeyuansu，yincig750huichengxianchubutongdeyanse，yibanlaishuoyisanzhongyanseweizhu，yejiushibaise、huangjinhemeiguijinse，butongdejinshuchengfendepeibibutong，suoyizhichengdeyanseyebutong。

　　g750daibiaoshenmecaizhi?g750qishigen18kdoushiyiyangde，zhishilianggebutongdemingchengeryi，richangshenghuozhongyingduig750shoushiduozhuyibaoyang，peidaiguochengzhongwujiechuhuaxuewupin，ruxiangshui，penfajideng。youyonghezuojiawudeshihouzuihaoquxialai。pingshibupeidaiyinggaijiangshipinfangzhishoushihehuochoutizhong，yibimianguahua。