The original Art Deco Pendant is marked 14k and is solid yellow gold. It was made in the 1930s . The piece weighs 14.6 grams and measures 1 3/4" x 1 1/2". Set in the center is orange natural coral surrounded by black onyx and to one side 13 round natural diamonds with an approx total weight of .15 cts. The loop at the top can accommodate up to a 4.5 mm chain.