Measurements are 19 " fully using the extended chain. The chocker it looks brand new like it was never worn it is made we'll so I am almost sure it's not vintage the beading was done nicely which is good due to this necklace is heavy but is very securely put together. Has large crystals in between black material with rhinestones set in. Also has extension without using the extension starting at clasp the measurements are 15 1/4 bundle and save get 30% off all your purchases