Title:
GEMSTONE AND CORRESPONDING METHOD OF CUTTING
Document Type and Number:
WIPO Patent Application WO2005004662
Kind Code:
A3
Abstract:
A gemstone having a crown, a girdle and a pavilion, wherein the girdle is shaped such that, when viewed in plan view, it is primarily bounded by four pairs of parallel straight edges (12, 14, 16, 18). Three (12, 14, 16) of the four pairs of edges are spaced by roughly equal spacing D1, while the remaining pair of edges (18) are spaced by a spacing D2, wherein D2 is greater than D1 by between 10% and 40%. Also provided is a method for cutting such a gemstone.
Inventors:
DAVIDI OFER (IL)
Application Number:
PCT/IL2004/000623
Publication Date:
May 19, 2005
Filing Date:
July 11, 2004
Export Citation:
Assignee:
DAVIDI OFER (IL)
International Classes:
A44C17/00; A44C; (IPC1-7): A44C17/00
Foreign References:
| USD466045S | 2002-11-26 | |||
| US5190024A | 1993-03-02 |
Download PDF:
Previous Patent: FASTENER PRODUCT WITH MULTIPLE ENGAGEMENT ANGLES
Next Patent: METHOD FOR MANUFACTURING ARTICLES OF JEWELLERY
Next Patent: METHOD FOR MANUFACTURING ARTICLES OF JEWELLERY