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Gemstone having hearts and arrows pattern and method of cutting same

A technology of gemstones and patterns, applied in the field of round gemstones, which can solve problems that cannot solve the specific needs of special methods of light, sparkle and dispersion

Inactive Publication Date: 2018-05-11
约阿希姆·韦茨
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even with these numbers of facets, conventional round brilliant cut diamonds still do not address the specific needs of cutting gemstones to exhibit exceptional brilliance, scintillation and dispersion

Method used

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  • Gemstone having hearts and arrows pattern and method of cutting same
  • Gemstone having hearts and arrows pattern and method of cutting same
  • Gemstone having hearts and arrows pattern and method of cutting same

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Experimental program
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Embodiment approach

[0058] According to a second embodiment of the invention, the method further comprises polishing the table or subjecting the table to a laser, pre-shaping the stone, pre-grinding the stone, shaping the pavilion main facets, shaping the crown at the crown Forming the main facets, further grinding the gemstone, further polishing the table, further shaping the pavilion main facets, further shaping the crown main facets at the crown, and polishing the gemstone prior to faceting the gemstone Final grinding.

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Abstract

The present invention relates to a round gemstone (10) having a hearts and arrows pattern of ten hearts and arrows. The gemstone comprises a girdle (13), a crown (11) and a pavilion (12). The crown (11) comprises a table (14), ten star facets (15) surrounding the table, ten crown main facets (16) with each aligned between two adjacent star facets, twenty crown half facets (20) forming ten pairs ofcrown half facets, with each pair of the crown half facets aligned between two adjacent crown main facets (16), and ten crown middle half facets (21), with each crown middle half facet (21) aligned between two crown half facets (20). The pavilion (12) is provided with ten pavilion main facets (24), and twenty lower girdle facets (25) forming ten pairs of lower girdle facets, with each pair of thelower girdle facets aligned between two adjacent pavilion main facets (24). The invention also relates to a method of cutting the round gemstone.

Description

technical field [0001] The present invention relates to gemstones, and more particularly to a round gemstone having a heart and arrow pattern of ten hearts and ten arrows and a method of cutting the same. Background technique [0002] The round brilliant cut is the most versatile cut shape used for diamonds. Diamonds have a variety of properties, and three of the main properties of these are brilliance, dispersion, and scintillation. [0003] Brilliance is an important attribute of a diamond, and brilliance generally refers to the amount of light that falls on the top of the diamond and reflects back. Bright diamonds reflect a lot of light from their surroundings to the observer. [0004] Dispersion, also known as fire, refers to the spectrum of light refracted from within a cut diamond and involves the rainbow of colors emitted by the gemstone as seen from different angles as the diamond moves relative to the observer. [0005] Glitter is the intense sparkle within a dia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A44C17/00B28D5/00
CPCA44C17/003B28D5/00A44C17/001
Inventor 约阿希姆·韦茨
Owner 约阿希姆·韦茨