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The Diamond Authority of Graff Founded in 1960 by Laurence Graff in London, Graff has become synonymous with some of the rarest and most valuable diamonds ever discovered. Often referred to as the “King of Diamonds,” Laurence Graff built his reputation by sourcing, cutting, and transforming extraordinary stones into breathtaking works of art. Graff controls much of its production process — from rough stone selection to final setting — ensuring unmatched precision and quality

The Diamond Legacy of Harry Winston Founded in 1932 by Harry Winston in New York, Harry Winston quickly earned the title “King of Diamonds.” Known for acquiring and transforming some of the world’s most famous gemstones, Winston revolutionized modern high jewelry design. From the legendary Fifth Avenue salon to global red carpets, Harry Winston represents ultimate diamond mastery and timeless glamour. Why Harry Winston Iconic Pieces and High Jewelry Are Legendary Harry Winst

The Heritage of Tiffany & Co. Founded in 1837 by Charles Lewis Tiffany and John B. Young in New York City, Tiffany & Co. quickly became a symbol of refined elegance and exceptional diamond expertise. Known as the “King of Diamonds,” Charles Tiffany set new standards in gemstone quality and luxury presentation. Tiffany & Co. Iconic Pieces and High Jewelry. From the legendary Fifth Avenue flagship to the unmistakable Tiffany Blue Box, the house has shaped global jewelry cultu