Everyone has heard about the California Gold Rush of 1849, but what of the Diamond Rush of the1870s? Spurred on by the fabulous finds in the Kimberley Mines in South Africa, many ambitious young men, amongst them prominent San Francisco banker William Ralston, and in Europe, the great Baron Rothschild, see the chance to make the United States the diamond capital of the world. But first they have to find the precious stonesb &. Philip Arnold and John Slack offer them more riches than they have ever dreamt of when they deposit rough uncut stones in Ralstonb s bank. Ralston will do anything to get his hands on the menb s stake, but first he has to find the secret mineb &.