Citrine, Diamond & Sterling Necklace

925 sterling silver (stamped on pendant along with maker's mark) along with faceted, bezel-set, stationed citrines. Center, pear-shaped, citrine is set in 18KT white gold, surrounded by clear/white, round, brilliant diamonds, totaling .18ct. Measures 17" long. Preowned. Please see photos for condition, weight, and size. I'm open to reasonable offers!