A silver halide emulsion is disclosed, comprising at least one monovalent Au(I) complex coordinated with a compound represented by the following formula (1):

R¹—Ch—R²  (1)

wherein R¹ and R² each independently represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group, R¹ and R² may combine with each other to form a 3-, 4-, 5-, 6- or 7-membered ring, and Ch represents a sulfur atom, a selenium atom or a tellurium atom.