The price of an ounce of gold reached $3,467.87 at 7:30 GMT, after reaching $3,500.10 earlier.
Gold is benefiting from market tensions, particularly on Wall Street, due to Donald Trump's repeated attacks on the US Federal Reserve Chairman and ongoing doubts about the trade war.
Gold, considered a safe haven in the face of economic uncertainty, surpassed $3,300 an ounce last Wednesday and continued its upward trajectory, surpassing $3,400 on Monday.
Among other precious metals, spot silver fell 0.4% to $32.57 per ounce, platinum rose 0.3% to $964.78, and palladium rose 1.3% to $939.50.
New evidence of the escalation between Beijing and Washington comes as China reiterates on Tuesday its firm opposition to any agreement signed between the United States and other countries that does not serve its interests.
Investors are anticipating the first tangible repercussions of the trade war as the International Monetary Fund's new economic forecasts are due to be released on Tuesday.
Considered a safe haven amid the trade turmoil sparked by Donald Trump in early April, investors have been buying gold for weeks, anticipating that tariffs could have an inflationary impact, devaluing the dollar against which gold provides protection.