Abstract: A discoloration resistant Gold alloy for jewelry characterized in that it comprises in weight: Gold, in the amount comprised between 755‰ and 770‰, Copper, in the amount comprised between 165‰ and 183‰, Silver, in the amount comprised between 28‰ and 50‰, Palladium, in the amount comprised between 19‰ and 23‰ and Iron, in the amount comprised between 2‰ and 6‰. and characterized by the absence of Vanadium.

Abstract: A Gold alloy for jewelry, comprising: Gold: in the amount comprised between 780‰ and 840‰ in weight; Copper: in the amount comprised between 125‰ and 167‰ in weight; Silver: in the amount comprised between 15‰ and 54‰ in weight; Platinum or Palladium, wherein the content of Palladium or Platinum is such that the assembly of Gold, Copper, Silver and Platinum or Gold, Copper, Silver and Palladium reaches a percentage at least equal to 980‰, and more preferably the 1000‰ in weight of the alloy; and wherein the so composed Gold alloy shows, under the conditions referred to in the ISO DIS 8654:2017 standard, a color compatible with the 5N alloy color standard.

Abstract: A Gold alloy for jewelry, comprising: Gold: in the amount comprised between 780‰ and 840‰ in weight; Copper: in the amount comprised between 125‰ and 167‰ in weight; Silver: in the amount comprised between 15‰ and 54‰ in weight; Platinum or Palladium, wherein the content of Palladium or Platinum is such that the assembly of Gold, Copper, Silver and Platinum or Gold, Copper, Silver and Palladium reaches a percentage at least equal to 980‰, and more preferably the 1000‰ in weight of the alloy; and wherein the so composed Gold alloy shows, under the conditions referred to in the ISO DIS 8654:2017 standard, a color compatible with the 5N alloy color standard.

Abstract: A discoloration resistant Gold alloy for jewelry characterized in that it comprises in weight: Gold, in the amount comprised between 755‰ and 770‰, Copper, in the amount comprised between 165‰ and 183‰, Silver, in the amount comprised between 28‰ and 50‰, Palladium, in the amount comprised between 19‰ and 23‰ and Iron, in the amount comprised between 2‰ and 6‰. and characterized by the absence of Vanadium.

Abstract: Alloy for the manufacturing of jewels or clock components with minimum concentrations of gold of 75 wt %, of copper between 5% and 21%, of silver between 0% and 21%, of iron between 0.5% and 4% and vanadium between 0.1% and 2.0%, intended to increase the tarnishing-resistance of alloys with a minimum content of gold of 75 wt % under environments in which Sulphur- and chlorine-compounds are present.

Abstract: Alloy for the manufacturing of jewels or clock components with minimum concentrations of gold of 75 wt %, of copper between 5% and 21%, of silver between 0% and 21%, of iron between 0.5% and 4% and vanadium between 0.1% and 2.0%, intended to increase the tarnishing-resistance of alloys with a minimum content of gold of 75 wt % under environments in which Sulphur- and chlorine-compounds are present.

Abstract: Alloy for the manufacturing of jewels or clock components with minimum concentrations of gold of 75 wt %, of copper between 5% and 21%, of silver between 0% and 21%, of iron between 0.5% and 4% and vanadium between 0.1% and 2.0%, intended to increase the tarnishing-resistance of alloys with a minimum content of gold of 75 wt % under environments in which sulphur- and chlorine-compounds are present.

Abstract: Alloy for the manufacturing of jewels or clock components with minimum concentrations of gold of 75 wt %, of copper between 5% and 21%, of silver between 0% and 21%, of iron between 0.5% and 4% and vanadium between 0.1% and 2.0%, intended to increase the tarnishing-resistance of alloys with a minimum content of gold of 75 wt % under environments in which sulphur- and chlorine-compounds are present.