The necklace is designed by Louis Vuitton and it is made out of 18 karat yellow gold, featuring boxed link chain necklace and Eiffel tower pendant with diamond detail. Measurements: the chain is 20 inches long and 1/16″ wide, the tower is 1- 9/16 inches high with out the bail, 2 inches high with the bail, 5/8 inches wide. Total weight is 26.3 grams.