Vintage Graduated Diamond By the Yard Necklace with Center Halo

This New York Jewelers necklace is 16.5 inches in length, made of platinum, and weighs 7.50 DWT (approx. 11.66 grams). It contains one european I-J color, SI clarity diamond weighing 1.50 CTTW, 41 european diamonds weighing 7.65 CTTW, 26 round G-H color, and diamonds weighing 0.20 CTTW.