Beyoncé became the first person ever to wear Tiffany & Co.'s more than 175-carat diamond necklace, the most expensive empire diamond necklace that the jeweler has ever made. She showed off the ...

The original Tiffany & Co. World’s Fair Necklace from 1939. Tiffany & Co. The World’s Fair Necklace pays homage to the Tiffany necklace that was made for the World’s Fair in 1939.

The necklace, known as "The Historic 1939 World's Fair Necklace," features the over 80-carat Empire Diamond, and is the jeweler's most expensive piece ever created that they offer.