A large vintage sterling necklace, 16 & 1/2 inches long (around the neck) , set with 5 large flat green onyx stones The central drop shaped part of the necklace measures 2 & 1/4 inches long. This necklace sits beautifully at the base of the neck and looks stunning. It would be a great summer piece , but looks fabulous year round. Two three inch sterling chains finish the necklace comfortably in the back with a sterling lobster claw clasp. The sterling mark "925" is on the clasp, which is working nicely. All in excellent vintage condition. The necklace weighs 60.2 grams.