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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 ...
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 ...
The Rock is G-color, which is the fourth whitest level of white diamonds. [2] It is the highest grade in the near-colorless color range and only professionals can see a slight tint of color in a G-colored diamond. [3] The diamond is 61.3 grams (2.2 oz) and it has dimensions of 5.4 centimetres (2.1 in) by 3.1 centimetres (1.2 in). [2]
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 ...
A 5.05-carat (1.010 g) Emerald-cut red diamond formerly known simply as "Red Diamond". This is the second-largest known red diamond. It was cut from a 35-carat (7.0 g) piece of boart discovered near Lichtenburg, South Africa. It reappeared in 2007 after a 37-year absence from sight, and was purchased by Kazanjian Brothers Inc. —
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