Trump’s Tariff Exemptions Include Diamonds, Oil and Gas, Copper and Other ItemsPublished bynytimes.comon •1 min readA diamond group in Antwerp, Belgium, designed an 18-karat gold ring encrusted with 321 diamonds and dozens of sapphires, emeralds and rubies in honor of America’s 250th anniversary.tarifasexceçõesindústriaLearn moreShareLegalReport