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Modified princess cut diamond having hearts and arrows pattern and method

机译:具有心箭图案的修饰公主方形钻石及方法

摘要

A modified princess cut diamond and method of forming a modified princess cut diamond into a symmetrical shape possessing a hearts and arrows pattern characteristic of the true hearts and arrows pattern in a round cut diamond. The modified princess cut diamond includes: a tablet facet, 4 main crown facets, 8 crown halves, 8 crown star facets, 4 subsidiary crown facets, 8 subsidiary crown halves, 8 main pavilion facets, 4, subsidiary pavilion facets, 16 pavilion halves and a girdle with each main crown facet having a pair of crown star facets symmetrically disposed on one side thereof adjacent to the tablet facet and a pair of crown halves symmetrically disposed on the opposite sides thereof with each pair of crown star facets having the side thereof adjoining the table facet meeting at a point equal to essentially half the longer distance of the main crown facet measured horizontally and with all crown star facets and crown halves adjacent each main crown having identical polished angles with a maximum tolerance of 0.30.
机译:修饰的公主方形切割钻石和将修饰的公主方形切割钻石形成对称形状的方法,该形状具有圆形切割钻石中真实心形和箭头图案特征的心形和箭头图案。修改后的公主方形切割钻石包括:平板刻面,4个主冠刻面,8个冠半刻,8个冠星刻面,4个辅助冠刻面,8个辅助冠半刻,8个主亭子刻面,4个,辅助亭子刻面,16个亭子半刻和腰带,每个主冠刻面在其与药片小面相邻的一侧对称地布置有一对冠星刻面,并且在其相对侧对称地布置有一对冠半部,每对冠冠刻面的侧面相邻台面的交点基本上等于水平测量的主冠刻面较长距离的一半,并且所有冠状星刻面和与每个主冠相邻的两半冠均具有相同的抛光角度,最大公差为0.30。

著录项

  • 公开/公告号US8813519B2

    专利类型

  • 公开/公告日2014-08-26

    原文格式PDF

  • 申请/专利权人 RONI RYDLEWICZ;

    申请/专利号US201113205457

  • 发明设计人 RONI RYDLEWICZ;

    申请日2011-08-08

  • 分类号A44C17/00;

  • 国家 US

  • 入库时间 2022-08-21 16:04:51

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