CHANTHABURI, THAILAND - MAY 10: Gem dealers sell blue topaz stones, sourced from Africa, at the International Gem Market on May 10, 2025 in Chanthaburi, Thailand. A potential 36% U.S. tariff on imports from Thailand is raising concerns across global markets, with trade disruptions affecting small traders and exporters, particularly in Chanthaburi, a key hub for the international colored gemstone market. Chanthaburi is a key hub for the colored gemstone trade in Southeast Asia, known for its role in cutting, trading, and exporting gems globally. (Photo by Lauren DeCicca/Getty Images)