钻石有哪些形状

 　　youyusuoyouxingzhuangdezuanshidoushiduyiwuerde，yinciqiteshudexingzhijuedingletadepinzhi，zaitiaoxuanzhiqianbufangxianlailejieyixiagezhongxingzhuangdezuanshi。youshihouwomenkeyidanchundekanzuanshixingzhuang，youshihouwomenhuibazuanshixingzhuanghetasuoyunhandegushihuoyuyijiheqilai，zheiyangxuanzecaixiandegengjuyouyiyi。

　　圆形

　　yuanxingshanliangshiqiegongshimuqianweizhizuiliuxinghebeiyanjiudeyangshi。zaiguoqude100duonianzhong，zuanshiqiegeshiyongzuixianjindeguangxueyuanlihejingquedeshuxuejisuanlaiqiegechuzuijuhuocaidezuanshi。erqie，zheizhongqiegefangshizaishinindedaohuocaidetongshi，deyijianguqiegong、yansehejingdudengji。ruguoxiangqudezuihaodehuocai，ninkeyixuanquwanmeiqiegong(ex)huozhehenhaoqiegong(verygood)，ranhouxuanzewanmei(ex)、henhao(verygood)depaoguanghejingdu。

　　公主方形

　　gongzhufangzuanshishizuishouhuanyingdeyixingzuan。taneimeilideliangduzaijiashangdutedeqiegongchengweidazaojiehunjiezhidezuijiaxuanze。gongzhuzuanyongyouguanbujiaohesifangwaixing。dangnixuanzesejishi，yaokaolvxuanyongj jiyansedehuashizuan，qijiagelingrengewaimanyi，zaiqiguanbujiaokenengyoushaoweikejiandeyanse。yinciruguoninguanxinninxuanzedezuanshi，ninkeyijizuanshihuozhubaozixunchudadianhuarangtamenbangzhuninquerennindezuanshishifouwanmei。tongyang，gongzhufangzuandefangduyebuyiyang，yincininyaoquedingninxiangyaodechicun。ninkeyicankanmeizhongzuanshixijieyemianshangdezhangkuanbili(length-to-width ratio)。zheijiangjuedingnindezuanshirushangshiyang。cichuyoulingninheyidegongzhufangzuanshizhangkuandubili。

　　duiyugongzhufangzuanshi，ninkeyixuanzezhangkuanbiliwei1-1.0 ，ruguoningengxihuanqitafangxing，ninkeyixuanzezhangkuanbilidayu1.10。

　　祖母绿形

　　zumulvxingzhisuoyiyuzhongbutongshiyinweitadetingbu(pavilion)，qibeiqiemochengzhijiaodeqiemiancongerchuangzaochudutedeliangguang。zheizhongqiegeyexuyaozuanshiyouhengaodejingdu。ruguoninxuanzesijijingdudezuanshi，yidingyaokanzhengmingshushangdejingdubiaoji。ruguoninzaiyiqijingdu，ninkeyizhaozixunchubangzhuninquedingyixiacishifouweiheshidezuanshi。tongyangdi，zumulvxingdezuanshiyeyougezhonggeyangdefangxing，runinxiangmidaoheyidexingzhuang，ninkeyicankanwomenzaiyemianzhongjinintigongzuanshixijiezhongdezhangkuanbili(length- to-width ratio)。zheijiangzhuninzhaodaoheyidekuanxing。

　　duiyudianxingdezumulvxingdexingzhuangxuanze，ninkeyixuanzezhangkuan1.30he1.40zhijiandebili。

　　上丁方形

　　zheizhongmeilidedutezhuoxingjiejinyuzumulvwaixing，danyejiejinzhengfangxing。tongyang，zheizhongshangdingfangxingzuanhezumulvxingzuanyiyangyouzhedutedetingbu(pavilion)，tadebeiqiemochengzhijiaodeqiemianchuangzaochudutedeliangguang。ruguoninxuanzevsjijingdudezuanshi，yidingyaokanzhengmingshushangdejingdubiaoji，zheizhongshangdingfangxingyexuyaohengaodejingdu。dangninxuanzesejishi，kekaolvxuanzejjiyansedeyixingzuan，qijiagegewaibucuo，bingqieqiguanbuyoushaoweikekanjiandeyanse。ruguoninzaiyiqijingdu，ninkeyizhaozixunchubangzhuninquerenyixiazuanshishifouwanmei。

　　suoyoudeshangdingfangxingzuanshijunjiejinzhengfangxing。yinweiwomenbaozhengzhangkuanbili(length-to-width ratio)wei1.00—1.05jiaoweiheshi。

　　榄尖形

　　lanjianxingzuanshikeyishizuanshikelazhongliangdadaozuijia,waibiaojirenyizhongxinghaojiaodadeganjue.zheizhongliangduqiegong(brilliant-cut )deyixingzuanshedingyouyuanxinghuozhenzhuxingbianyuan.zheizhonglanjianxingzuanshishinindeshouzhikanqilaibijiaoxiuzhang. dangninxuanzesejishi，keyikaolvdaojjiyansedeyixingzuan，qijiagelingrengewaiqinglai，qiguanbujiaokenengyoushaoxukejiandeyanse。ruguoninzaiyininxuanzedezuanshidejingdu，ninkeyijizuanshihuozhubaozixunchudadianhuarangtamenbangzhuninquerennindezuanshishifouwanmei。ruxiangzhaodaoheyidexingzhuang，ninkeyicankanmeizhongzuanshixijieyemiandezhangkuanbili(length-to-width ratio)。zheijiangbangzhuninzhaodaoheyidekuanshi。

　　heshidelanjianxingzuanshichidu，tongchangshiyongzhangkuanbiwei1.75—2.55.

　　椭圆形

　　tuoyuanxingzuanshiyouzheyuanzuantongyangmeilideguanghuisecai。tuoyuanxingzuanshiyinqizhangducongertuchunvshishouzhidexianxi，yinciyeshiyizhongjishoudazhongxiaidezuanxing。ruxiangzhaodaoheyidexingzhuang，ninkeyicankanwomenzaiyemianzhongjinintigongzuanshixijiezhongdezhangkuanbili(length-to-width ratio)。zheijiangzhuninzhaodaoheyidekuanxing。

　　duiyutuoyuanyixingzuanjiaoweiheshidezuanshichidu，tongchangzhangkuanbiwei1.33—1.66。

　　雷地恩明亮式

　　zongqingguanbujiaoshizheizhongyixingzuandebiaozhi。zheizhongguanbujiaoshizuanshifachuduofangweideguangcai。leidienxingzuanshiwaiguanrufaguogunzimianbaozhuangbianhuozhexiangyuanzuandebian。dangninxuanzesejishi，keyikaolvxuanzejjiyansedeyixingzuanjiagegewaideshourenqinglai，zaiqiguanbujiaoyoushaoweikejiandeyanse。tongyangdi，leidienxingzuanshiyeyougezhonggeyangdejiaodu，runinxiangzhaodaoheyidexingzhuang，ninkeyicankanwomenzaiyemianzhongjinintigongzuanshixijiezhongdezhangkuanbili(length- to-width ratio)。zheijiangzhuninzhaodaoheyidekuanxing。

　　duiyuleidienxingzuanshi，ninkeyixuanzezhangkuan1he1.10zhijiandebili。ruxiangxuyaozuilixiangdejiaodu，ninkeyixuanzezhangkuanbilidayu1.11defangxing。

　　梨形

　　zheizhongjuyouliangduqiegong(brilliant-cut )deyixingzuanshiyouyigeyuanxingduanheyigejianduan。xuduorenxihuanyuanxingdanshiyouxierenyexuanzezheizhonglixingzuanshi。ruguoninxuanzebijiaozhangdelixing，zuanshidezhangduweinindeshouzhizengjialexianxizhigan。dangninxuanzesejishi，keyikaolvdaojjiyansedehuashizuanjiagegewaishourenqinglai，zaiqiguanbujiaoyoushaoweikejiandeyanse。ruguoninzaiyininxuanzedezuanshijingdu，ninkeyijizuanshihuozhubaozixunchudadianhuarangtamenbangzhuninquerennindezuanshishifouwanmei。

　　ruguoninxiangzhaodaoheyixingzhuang。ninkeyicankanmeizhongzuanshixijieyemianzhangkuanbili(length-to-width ratio)。zheijiangbangzhujuedingnindezuanshideshiyang。heshidelixingzhangkuandubili:1.50—1.75。

　　心形

　　xinxingzuanshishiyizhongzuijibendeaidexiangzhengfuhao。youyudabufenxinxingzuanshijiejinyuanxing。tayejuyoujiangjinyuanxingdetingbu(pavilion)fachumirensecai。dangninxuanzesejishi，keyikaolvjjiyansedehuashizuanjiagegewaideshourenqinglai，zaiqiguanbujiaoyoushaoweikejiandaodeyanse。tongyangdi，xinxingdezuanshiyeyougezhonggeyangdejiaodu，runinxiangzhaodaoheyidexingzhuang，ninkeyicankanwomenzaiyemianzhongjinintigongzuanshixijiezhongdezhangkuanbili(length-to-width ratio)。zheijiangzhuninzhaodaoheyidekuanxing。

　　heshidexinxingzuanshichidu，tongchangshiyongzhangkuanbiwei0.90—1.10。

　　长角阶梯形

　　yigeshijiyiqianzuishouxiaideyizhongqiegejiushizheizhongzhangjiaojietixingzuanshi，(yechengweizhentouxing)juyouyuanxingguan，bijiaodademiancongerzaizhuguangxiazengjialeqiguangcai。zheizhongqiegeyexuyaohengaojingdudezuanshi。ruguoninxuanzesijijingdudezuanshi，yidingyaokanzhengmingshushangdejingdubiaoji。tongyangdi，zhangjiaojietixingdezuanshiyeyougezhonggeyangdexingzhuang，runinxiangzhaodaoheyidexingzhuang，ninkeyicankanwomenzaiyemianzhongjinintigongzuanshixijiezhongdezhangkuanbili(length-to-width ratio)。zheijiangzhuninzhaodaoheyidekuanxing。

　　heshidezhangjiaojietixingzuanshichidu，tongchangshiyongzhangkuanbiwei1—1.05。ruguoningengxihuanjuxing ，keyixuanzezhangkuanbichaoguo1.15。