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  2. Diamond color - Wikipedia

    en.wikipedia.org/wiki/Diamond_color

    For example, a "D" or "E" rated diamond (both grades are considered colorless) is much more valuable than an "R" or "Y" rated diamond (light yellow or brown). This is due to two effects: high-color diamonds are rarer, limiting supply; and the bright white appearance of high-color diamonds is more desired by consumers, increasing demand.

  3. EXCLUSIVE: Tiffany & Co. Unveils Most Expensive Design ... - AOL

    www.aol.com/exclusive-tiffany-co-unveils-most...

    At its center is an 80-carat oval shape, D color and internally flawless diamond that Tiffany has christened “The Empire Diamond,” named for the New York City icon in the jeweler’s hometown ...

  4. Tiffany Yellow Diamond - Wikipedia

    en.wikipedia.org/wiki/Tiffany_Yellow_Diamond

    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 ...

  5. Diamond clarity - Wikipedia

    en.wikipedia.org/wiki/Diamond_clarity

    Diamond certified FL (flawless) by the GIA Two diamonds of grade VS 1 and SI 2 respectively. The GIA diamond grading scale is divided into six categories and eleven grades. [2] The clarity categories and grades are: [3] Flawless category (FL) diamonds have no inclusions or blemishes visible under 10× magnification. [3]

  6. The Rock (diamond) - Wikipedia

    en.wikipedia.org/wiki/The_Rock_(diamond)

    The Rock is a 228.31-carat white diamond which has been graded by the Gemological Institute of America. It has G color, VS1 clarity. [1] The color of white diamonds can range from D to Z: D-color is the highest grade for white diamonds, and it is the rarest and most expensive. The Rock is G-color, which is the fourth whitest level of white ...

  7. EXCLUSIVE: Inside Tiffany & Co.’s High Jewelry ... - AOL

    www.aol.com/lifestyle/exclusive-inside-tiffany...

    It placed a heavy emphasis on white diamonds — including a necklace set with a 100-plus carat stone that was cut to the same proportions as the yellow Tiffany Diamond.

  8. List of diamonds - Wikipedia

    en.wikipedia.org/wiki/List_of_diamonds

    The Star of South Africa was the initial name given to this diamond, when it was purchased as an 83.5-carat (16.70 g) rough diamond. The diamond is a D-color, pear-shaped stellar brilliant cut stone, weighing 47.69 carats (9.538 g). —

  9. Centenary Diamond - Wikipedia

    en.wikipedia.org/wiki/Centenary_Diamond

    The Centenary Diamond is rated in color as grade D color by the Gemological Institute of America, which is the highest grade of colourless diamond and is internally and externally flawless. It was named the Centenary Diamond as it was presented in the rough for the Centennial Celebration of De Beers Consolidated Mines on 11 May 1988.

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