Original Art Deco Platinum Diamonds Pendant Necklace

This is a beautiful original art deco pendant necklace with two open circles and hanging diamonds. There is a center transitional cut diamond that measures .50 carats it is K color SI-2 clarity. There are 42 additional round diamonds I Color SI-1 clarity, total diamond weight 1.56 carats. Loop is marked 950 for platinum, Excellent condition, necklace measures 16" long drop measures 1 3/4"