DIAMOND FOR ADORNMENT, WHICH HAS TWO-TIER PAVILION Russian patent published in 2011 - IPC A44C27/00 A44C17/00 

Abstract RU 2421112 C1

FIELD: personal use articles.

SUBSTANCE: invention relates to jewellery industry. A diamond for an adornment is produced as an extremely bright diamond with multiple reflection patterns, when it is examined being above a table facet and facets of the diamond crown. The diamond has the same crown, since it is a diamond with round diamond cut, but its pavilion consists of the first pavilion and the second pavilion separated with a horizontal division plane. Lower facets of a belt and main facets of the pavilion are truncated relative to the horizontal division plane arranged between the first and second pavilion, at the same time the angle of the first pavilion faces is more than the angle of the second pavilion faces inclination.

EFFECT: diamond for an adornment, having a two-tier pavilion, compared to a conventional diamond with round diamond cut shines more and has doubled quantity of reflection patterns.

11 dwg

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Authors

Matsumura Tamotsu

Kavabuti Josinori

Itokh Akira

Dates

2011-06-20Published

2008-01-09Filed