To provide a new material for an accessory which is suitable for an accessory constituting material having both decoration function and health promotion or treating and curing function as a result of repeated examinations while the material for the accessory which is suitable for the accessory used especially in contact with the skin and has the effect of health promotion or the like is not provided yet though various examinations are performed for the material for the accessory.

This gold alloy is composed of germanium of 0.1 to 2.0 wt.%, gold of 90 to 97.9 wt.% and palladium for the rest. Thus, the accessory which is excellent in metal luster similar to the brightness of high-purity gold, drawability and workability and simultaneously achieves the health promotion and a treatment effect by a far infrared effect is provided.