发明名称 Gemstone cut shape providing a specific optical pattern
摘要 A gemstone cut with a table facet, where the gemstone receives existing light from around the viewer and the facets on the bottom of the diamond effectively reflect the existing light back into the eyes of the beholder in such a manner as to maximize light performance, and to produce a unique and distinct look of light in the form of a Maltese cross under the table facet which can be observed in natural ambient light.
申请公布号 US2011302960(A1) 申请公布日期 2011.12.15
申请号 US20100797001 申请日期 2010.06.09
申请人 WEINGARTEN JONATHAN 发明人 WEINGARTEN JONATHAN
分类号 A44C17/00 主分类号 A44C17/00
代理机构 代理人
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