You do not have to declare jewelry that you own, travelled with and are returning to the US still carrying/wearing. However, if you bought a watch or jewelry while you were abroad, you must declare it but that doesn't mean you have to pay taxes on it.

In 2026, you generally must declare all jewelry to Customs and Border Protection (CBP) when entering the United States if it was acquired abroad and exceeds your personal exemption, which is typically $800 for most travelers. Even if the jewelry is for personal use and you are wearing it, failure to declare items purchased in a foreign country can lead to heavy fines, seizure of the items, and the loss of Global Entry privileges. If you are traveling with high-value jewelry that you already owned before leaving the U.S., it is highly recommended to register it using CBP Form 4457 before your departure. This "Certificate of Registration for Personal Effects Taken Abroad" serves as legal proof of prior ownership, ensuring you aren't charged duty on your own items upon return. For travelers entering countries like India, the rules are even stricter; as of February 2026, duty-free allowances for gold jewelry are capped by weight (typically 40g for women and 20g for men who have resided abroad for over a year). Always keep original receipts and, when in doubt, use the "Red Channel" to declare your items to an officer.