The Mystery of Mr Wong (1939) starring Boris Karloff

Detective James Lee Wong (Karloff) must find the "Eye of the Daughter of the Moon," a priceless but cursed sapphire stolen in China and smuggled to America. His search takes him into the heart of Chinatown and to the dreaded "House of Hate" to find the deadly gem before it can kill again. Also starring Grant Withers as Police Captain Sam Street, Dorothy Tree as Valerie Edwards,
Craig Reynolds as Peter Harrison and Ivan Lebedeff as Michael Stroganoff.