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In 1879, the Tiffany branch in Paris obtained the Tiffany Diamond, which weighed 287.42 carats in the rough. It was the largest yellow diamond found up to that time. The task of supervising the cutting of this stone was the responsibility of one George Frederick Kunz (1856–1932), a twenty-three-year-old gemologist who had just joined the firm ...
When color grading is done in the mounting, the grade is expressed as an estimated color grade and commonly as a range of color. Grading mounted diamonds involves holding the mounted diamonds table close to the table facet of the master stone and visually comparing the diamond color under the same color conditions as unmounted diamond grading ...
Diamond clarity is the quality of diamonds that relates to the existence and visual appearance of internal characteristics of a diamond called inclusions, and surface defects, called blemishes. Clarity is one of the four Cs of diamond grading, the others being carat, color, and cut.
Beyoncé is one of four women who’ve worn Tiffany & Co.’s iconic 128.54-carat yellow diamond.
At Tiffany’s Diamonds and Wonders event in Park City, Utah. While the jewelry space has focused on colored diamonds and gemstones for the last five years, Ledru said that white diamonds — like ...
In 2016, Sarine announced that it was developing new devices for automated grading of diamond color and clarity. [39] Known as Sarine Clarity™ and Sarine Color™, the devices are based on machine learning, and are regarded as creating the first standardized and automated approach to diamond grading and gem labs. [40] [41]
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