Arrangement for and method of holding gemstones

a technology applied in the field of arrangement and holding gemstones, can solve the problems of difficult subjective evaluation and measurement, gemstone “reflection, and optical efficiency of gemstones
US20110205525A1Inactive Publication Date: 2011-08-25PHOTOSCRIBE
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
PHOTOSCRIBE
Publication Date
2011-08-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

A gemstone to be optically examined is held by a holder having an internal compartment. A mounting plate supports the gemstone table-side up in an upright position within the internal compartment. A protective lid is mounted on the holder for movement between a closed position in which the lid overlies the mounting plate and the gemstone supported thereon, and an open position in which the lid uncovers the gemstone for optical examination.
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Description

CROSS REFERENCE TO RELATED APPLICATION

[0001] This application claims the benefit of U.S. Provisional Patent Application Ser. No. 61 / 308,062, filed Feb. 25, 2010.BACKGROUND OF THE INVENTION

[0002] The present invention generally relates to an arrangement for, and a method of, holding gemstones, especially cut diamonds, to be examined by illuminating the gemstone, capturing images of the illuminated gemstone, and analyzing the captured images with repeatability.

[0003] The beauty and price of a gemstone, such as a cut multi-faceted diamond, are based, for example, on its cut, carat weight, clarity and color. Many different geometrical patterns of cuts, such as round brilliant, oval, pear, marquise, radiant, princess, heart, emerald, etc. are now standardized. The cut, the carat weight, the clarity and the color of the gemstone are typically evaluated and / or measured by a human appraiser. Such evaluated and / or measured properties are often objectively presented to a consumer, typically in c...

Claims

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