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HCA: defining ideal cut diamonds is a detailed explanation of the "Holloway Cut Adviser". A web service that uses this software is available. Malecka, Anna (2017). Naming of the Koh-i-Noor and the Origin of Mughal-Cut Diamonds, The Journal of Gemmology, no. 4. 38(8). OctoNus Software has posted several diamond cut studies, by various authors ...
An example of this is the marquise cut diamond which was popular in the 1970s to 1980s. In later decades, jewelers had little success in selling this shape in comparison to other shapes like the oval or pear shape. [citation needed] The marquise can be cut into an oval diamond by any diamond cutter with a loss of 5 to 10% in total weight.
The Young and the Restless is an American television soap opera, created by William J. Bell and Lee Phillip Bell for CBS.It debuted on March 26, 1973. The longest-running cast members are Melody Thomas Scott and Eric Braeden, who portray Nikki and Victor Newman, having joined in February 1979 and February 1980, respectively, [1] [2] making them two of the longest-tenured actors in American ...
The storylines of the soap opera The Young and the Restless have changed over the years since the show debuted in 1973. Originally examining the lives of the wealthy Brooks and the poor Fosters, a series of recasts and departures in the early 1980s turned the focus of The Young and the Restless to the Abbotts and the Newmans, including the corporate rivalry between their two respective companies.
Marcel Tolkowsky found that if a diamond was cut too deep or shallow then light would escape out the sides or bottom of the diamond, resulting in a loss of brilliance (white light reflected up through the top of a diamond), fire (colored light reflected from within a diamond), and sparkle (combination of fire and brilliance). [4]
These stones (such as EightStar-brand diamonds) have less light leakage at the edge of the stone (for a given crown angle, pavilion angle, and table ratio). Some diamonds with painted girdles receive lower grades in the GIA's cut grading system, for reasons given in a 2005 GIA article. [11] Several groups have developed diamond cut grading ...
Grade the revealing episode via our poll below, then drop a comment with your hopes for the back half of Season 2, premiering Tuesday, July 20 (BET, 9/8c). The Oval Midseason Finale Reveals Nancy ...
The Internally Flawless grade gave diamond manufacturers a choice to leave blemishes on the surface of the stone, and achieve a grade higher than VVS 1. [2] The second change made to the grading system was the introduction of the I 3 grade. This change was made in response to a growing number of diamonds of very low clarity being cut. [2]
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